| 1 | 0 | 3 | 4 | 3 | 4 |
2005 BMW Z4 repairs by problem area
Engine (36%)
Transmission and Drivetrain (2%)
Brakes and Traction Control (0%)
Suspension and Steering (16%)
Electrical and Air Conditioning (30%)
Paint, Rust, Leaks, Rattles, and Trim (11%)
Other (4%)
Chart based on 89 repairs.
2005 BMW Z4 repair cost distribution
$2500+ (5%)
$1000 - $2499 (16%)
$500 - $999 (9%)
$100 - $499 (33%)
< $100 (37%)
Chart based on 76 repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.
2005 BMW Z4 2dr Convertible
225-horsepower 3.0L I6 6-speed manual RWD
| BMW Z4 in Massachusetts, United States Sep 2016 - Oct 2016 | |||
| Oct 201638000 mi | Things would not work..problem would move when battery terminal lifted. Probably in the main computer. Dealer would never repair. Had problem from when vehicle was new. Dealer would always say "no problem found" even when I brought it in wi. | ||
| BMW Z4 in New Hampshire, United States Sep 2010 - Sep 2014 | |||
| Mar 201028000 mi | Radio not working correctly. Presets play other stations than what is set. Will not go to next station. | ||
| BMW Z4 in Illinois, United States Mar 2012 - Jul 2022 | |||
| Jul 201241200 miUS $223 | Passenger side Window regulator failed. Replaced with new window regulator. | ||
| Nov 201242200 miUS $392 | Replaced rear output shaft bearings. | ||
| BMW Z4 in Virginia, United States Sep 2011 - Jun 2012 | |||
| Oct 201156000 miUS $35 | Exterior temperature sensor showing incorrect values. Replace temperature sensor. | ||
| BMW Z4 in Tennessee, United States Feb 2015 - May 2018 | |||
| Feb 201896000 miUS $500 | Coolant overflow tank. | ||
| Apr 201896000 miUS $1400 | Oil lines, oil filter housing | ||
| BMW Z4 in Ontario, Canada Feb 2017 - Jun 2022 | |||
| Jun 201735340 miC $70 | Vehicle had a pronounced clunking noise in front end. Mechanic quickly diagnosed a loose strut brace. Tightened brace and repaired problem. | ||
2005 BMW Z4 2dr Convertible
225-horsepower 3.0L I6 6-speed automated manual RWD
| BMW Z4 in North Carolina, United States Oct 2015 - Jun 2018 | |||
| Oct 201549000 miUS $500 | Spark plugs all six blew | ||
| Jan 2016US $1400 | Gaskets leaking and oil pan replacement, along with I had an inspection II done. That is why it was so expensive with labor and the parts. | ||
| Oct 201770000 miUS $8000 | Engine fell out, pistons and headers all needed work. This was the worst damage they have ever seen. | ||
| Jun 2018100000 miUS $8000 | Another year another engine. It fell out again on the interstate. Hopefully it stays in this time. | ||
2005 BMW Z4 2dr Convertible
225-horsepower 3.0L I6 5-speed shiftable automatic RWD
| BMW Z4 in Idaho, United States Jun 2013 - Aug 2018 | |||
| Jul 201343000 miUS $180 | Replaced thrust arm bushing on front control arms. | ||
| Mar 201676000 miUS $350 | Car was not stable while driving. Replaced control arms and related bushings. | ||
| Jun 201678000 miUS $250 | Starter failed, repaired starter. | ||
| Nov 201682700 miUS $300 | Steering was loose, replaced entire tie rod assembly. Suspension was loose, replaced sway bar end link. Suspension was loose, replaced stabilizer bar bushings. | ||
| Jan 201784500 miUS $400 | Belts worn. Replaced both AC and alternator belts. Oil leaks visible from VANOS oil pressure tube. Replaced VANOS oil pressure tube. Engine valve cover gasket leaking, replaced valve cover gasket. | ||
| Sep 201792000 miUS $15 | Ignition switch started not working intermittently, replaced ignition switch. | ||
| Dec 201794800 miUS $1200 | All shocks and struts were worn out. Replaced all shocks and struts and associated mounting hardware. | ||
| BMW Z4 in Pennsylvania, United States - Nov 2008 | |||
| Nov 2005601 mi | Air leak, driver side, no repair made. | ||
| Apr 2006949 mi | Fuel pump & sensor were replaced. | ||
| Oct 20065235 mi | Air leak, driver side, no repair made | ||
| Jan 20075250 mi | Fixed air leak | ||
| Jun 20076206 mi | Car idle was slow, car felt like it was stalling, said there was no problem | ||
| Oct 20078079 mi | Fuel pump making noise again, service could not duplicate. Was not fixed. | ||
| May 20088810 mi | Battery wasn't charging, service could not find a problem. | ||
| Nov 200812051 mi | Fuel Pump making loud noise, BMW sent service rep to my home, took it to BMW, 2nd fuel pump was installed. CD player making noise, no fix was made. | ||
| BMW Z4 in Pennsylvania, United States Nov 2015 - Mar 2017 | |||
| Aug 201625000 miUS $2500 | electric steering motor failure required replaced of entire steering column and lower steering link | ||
| BMW Z4 in California, United States Oct 2015 - Jan 2022 | |||
| Feb 201684000 miUS $675 | Replaced starter Valve cover gasket has small leak | ||
| Feb 201797000 miUS $2200 | One morning my vehicle could barely start and keep idle. The turn about was sudden as the day before the vehicle ran perfectly. I sent the vehicle to the dealership and was informed that the DME computer failed and had to be replace and reprogramed. | ||
| May 2017102388 miUS $406 | As part of the repair, I also had to replace valve cover gasket. Replaced leaking oil filter gasket | ||
| Jun 2017102846 miUS $56 | Replaced engine drive belt | ||
| Jan 2018113009 miUS $306 | Replace coils and sparkplugs | ||
| Feb 2018115330 miUS $811 | Replaced leaking oil pan gasket. Replaced cracked air intake boot. | ||
| Mar 2018116496 miUS $447 | Replaced bent swaybar link (both sides, but only passenger side was bent at the top.) Also, replaced the rubber brake caliper bushing on all four calipers with brass replacements. Replaced both ripped front strut mounts | ||
| May 2018117406 miUS $275 | Replaced 6-year old Batter | ||
| Jan 2022175000 miUS $1000 | I had problems starting the vehicle. I had starter replaced. | ||
| BMW Z4 in New Mexico, United States Oct 2009 - Dec 2012 | |||
| Oct 200923000 mi | car won't start in morning (intermittent issue) - dealer has re-charged battery | ||
| Nov 200924000 mi | car won't start in morning - dealer re-placed battery | ||
| Dec 200926000 mi | car won't start in morning - dealer re-programmed computer. | ||
| Feb 201025000 miUS $700 | car will not start in morning, replaced starter | ||
| Mar 201026000 mi | car will not start in morning, replaced battery again (dead cell) | ||
| Apr 201029000 mi | car will not start in morning, replaced battery again (dead cell) - dealer still working to determine cause (dealer still treating as warranty work) | ||
| BMW Z4 in California, United States Sep 2008 - Jun 2022 | |||
| Aug 200822000 miUS $1200 | Crack in rear alloy wheel required replacement of wheel and tire. | ||
| Jun 201352000 miUS $21 | security alarm misbehaved . . . would sound off when car was parked in the sun or on warm days. replaced underhood relay switch. | ||
| Nov 201357000 miUS $268 | Crumpled heat shield around exhaust caused harmonic rattle. Replaced heat shield. | ||
| Feb 201568000 miUS $1610 | Low oil light lit after engine shutdown. Diagnosed as faulty oil level sensor. Replaced sensor. | ||
| Apr 201572000 mi | Plastic gear in passenger seat adjustment motor stripped. New part ordered, never arrived. Service provider claimed FedEx lost part in transit. This part NLA in North America. Could not wait for part to be shipped from Germany. | ||
| Jun 201582000 miUS $1500 | Stripped plastic gears in seat base made adjustment functions inoperable. Overnighted new seat base from inventory. Installed new part. Restored seat functions. | ||
| Jun 2017101000 miUS $1299 | Cracked air intake boot. Replaced boot. Oil housing leak. Replaced Oil housing gasket and oil pipe. Odd wear on front tires. Replaced front control arm bushings | ||
| Oct 2017102080 miUS $1975 | Engine ran rough. Ignition misfire codes. Replaced all plugs and coil packs. Non-start issue. Random and unpredictable. Difficult to reproduce problem in shop. Finally replaced starter. The unpredictable starting malfunction remains unrectified in my Z4. The issue appears now to be isolated to the ignition switch deeper in the steering column than the keyway. I have not been back to the shop to have that switch changed until I'm thoroughly convinced it is the root issue. | ||
| BMW Z4 in Manitoba, Canada Sep 2011 - Dec 2013 | |||
| Aug 201328920 miC $65 | Passenger airbag/occupancy sensor replaced | ||
| BMW Z4 in Nevada, United States Jun 2015 - Jan 2018 | |||
| May 201672300 miUS $7000 | starter replaced | ||
| Sep 201673000 miUS $800 | bearings were removed and replace form all 4 front and rea rods | ||
| Jun 201779000 miUS $1400 | differential, coolant, and brake fluid flush and change, upper and lower radiator hoses replaced radiator expansion tank replaced | ||
2005 BMW Z4 2dr Convertible
184-horsepower 2.5L I6 5-speed shiftable automatic RWD
| BMW Z4 in Virginia, United States Sep 2011 - May 2018 | |||
| Jan 201136 mi | Everything else, repair Replaced dead battery | ||
| Jan 201341500 mi | low charge | ||
| Apr 201344200 miUS $350 | dead/dying battery. Installed new battery. | ||
| Jul 201450200 miUS $75 | Lost or stolen emblem | ||
| Mar 201649000 miUS $300 | Relaxed seat belts receiver end broken | ||
| Sep 201650000 miUS $360 | Clouded side mirror | ||
| Sep 201742000 miUS $2100 | replaced hydraulic pump for convertible top | ||
| Jan 201842000 miUS $150 | Replaced battery | ||
| BMW Z4 in New York, United States Jun 2013 - May 2014 | |||
| May 201456000 miUS $1200 | Top motor needed to be replaced. | ||
| BMW Z4 in Nevada, United States Sep 2011 - Jun 2018 | |||
| Jan 201387000 miUS $200 | speed sensor in transmission was replaced | ||
| Feb 201490400 miUS $90 | cooling overflow tank cracked. replaced tank and coolant. | ||
| Sep 201498000 miUS $60 | replaced trunk lift struts | ||
| Nov 201599000 miUS $150 | replaced battery | ||
| Mar 2018101000 miUS $180 | replaced starter | ||
2005 BMW Z4 2dr Convertible
184-horsepower 2.5L I6 5-speed manual RWD
| BMW Z4 in Pennsylvania, United States Sep 2011 - Jan 2014 | |||
| Jan 201449000 miUS $300 | Front strut bracket lower Lower radiator hose and sending ubit Valve cover gasket | ||
| BMW Z4 in California, United States Oct 2011 - Dec 2011 | |||
| Nov 201160100 miUS $112 | Dead battery. Changed it myself with an aftermarket part. No electronic reset needed for any options on the vehicle. | ||
| BMW Z4 in Oklahoma, United States Mar 2013 - Mar 2015 | |||
| Sep 201364000 miUS $200 | Oxygen sensor needed to be replaced | ||
| BMW Z4 in California, United States Jul 2015 - Jan 2019 | |||
| Mar 201697000 miUS $630 | Starter motor replaced | ||
2005 BMW Z4 2-door
6-cylinder automatic 2WD
| BMW Z4 in Pennsylvania, United States Nov 2011 - Jan 2022 | |||
| Dec 201121000 miUS $160 | rear brake light lens cracked, seems to be an issue with many z4's. very costly for a plastic lens piece | ||
| Dec 201758000 miUS $300 | rear coils cracked, typical for this car | ||
2004 BMW Z4 2dr Convertible
225-horsepower 3.0L I6 6-speed manual RWD
| BMW Z4 in Alabama, United States Aug 2010 - Mar 2018 | |||
| Sep 201057000 miUS $50 | Side mirror remote adjustment switch failed. Switch was replaced. Manual transmission shifting poorly -- inconsistent and balky. Dealer diagnosed problem as internal to transmission, requiring replacement. Transmission ordered but not yet received. | ||
| Oct 201058000 mi | Transmission replaced. Transmission was replaced. Had been diagnosed on a previous visit but had to wait for re-manufactured transmission to be received. | ||
| Dec 201060000 miUS $149 | Service Engine Soon light turned on. After reading the trouble codes myself with a generic OBD-2 tool I repaired the problem by replacing both upstream O2 sensors. Probably only one sensor was actually bad. | ||
| Dec 201173000 miUS $53 | Valve cover gasket had a slight oil leak -- I replaced the gasket set and associated sealing grommets. I'm sure an experienced mechanic could have done this in much less time than the 3 hours it took me. | ||
| Dec 201396000 miUS $43 | There was a small coolant leak where one of the coolant hoses mates with the expansion tank. I replaced the hose ($43). Also preemptively replaced the expansion tank ($85), tank cap ($17), level sensor ($16) and coolant ($21). | ||
| Jan 201598200 mi | Intake boot had a couple cracks and was replaced. | ||
| Mar 2015109000 miUS $138 | Starter failed -- replaced. | ||
| Apr 2015109300 miUS $7 | Minor oil leak -- replaced oil filter housing gasket. | ||
| Oct 2016124300 miUS $936 | Convertible top motor was noisy and struggling to work. Actuator arms were leaking, so I had them rebuilt by tophydraulics.com and replaced the motor. | ||
| BMW Z4 in Ontario, Canada Dec 2010 - Jun 2018 | |||
| Oct 201026102 miC $300 | Engine cooling system (radiator, water pump, thermostat, heater core, etc.), repair Battery replaced | ||
| Apr 201637300 miC $500 | Control arm bushings replaced Valve cover gasket replaced | ||
| May 201740300 miC $1200 | Change belt - cracks observed and change water pump (anticipatory) | ||
| BMW Z4 in Minnesota, United States Jan 2011 - Jun 2012 | |||
| Jul 201132000 miUS $900 | Windshield wiper and headlight sensor failed, replaced windshield and sensor | ||
| May 201236000 miUS $400 | Cracked brake line | ||
| BMW Z4 in Vermont, United States Nov 2014 - Apr 2017 | |||
| Jun 201540000 miUS $500 | Control arms, control arm bushings | ||
| BMW Z4 in Michigan, United States Mar 2015 - May 2019 | |||
| Sep 201570000 miUS $549 | Left rear wheel bearing was growling and was replaced | ||
| Aug 201880000 miUS $2400 | Bushings for rear suspension Lower right front control arm replaced. | ||
| BMW Z4 in Illinois, United States Jan 2008 - Mar 2011 | |||
| Sep 200819008 mi | Failed convertible top motor replaced | ||
| Feb 200927458 mi | Coolant temperature sensor on lower radiator hose shorted out and was replaced | ||
| Sep 201040000 miUS $500 | FRONT CONTROL ARM BUSHINGS REPLACED | ||
| BMW Z4 in Washington, United States - Feb 2008 | |||
| Feb 200825 mi | Rear center brake lens cracked due to excess stress caused by retaining springs. Problem is recognized by bmw as factory fault and fixed under warranty free of charge. BMW goodwill will also fix outside of warranty for free. | ||
| BMW Z4 in Pennsylvania, United States Dec 2010 - Apr 2011 | |||
| Apr 2011129000 mi | Needed convertible top motor when sold. | ||
| BMW Z4 in Ontario, Canada Oct 2010 - Mar 2013 | |||
| Sep 201266340 miC $200 | Replaced both the Intake Air Adjustment Unit/DISA Valve and the Lower Intake Boot due to wear | ||
| BMW Z4 in Ontario, Canada Aug 2008 - Sep 2014 | |||
| May 200837654 mi | replace right front headlight assembly (under warranty) | ||
| Jun 200940693 miC $1643 | replace roof motor assembly that raises and lowers convertible top | ||
| BMW Z4 in Florida, United States Feb 2010 - Nov 2010 | |||
| Apr 201044700 miUS $500 | Erratic tire warning light, oil light stayed on after ignition was turned off, standard oil change, wiper blade replacement and 2 tires (rear), I'm getting almost 22,000 on the head for my Continental 3's, much lower than my 328ci | ||
2004 BMW Z4 2dr Convertible
225-horsepower 3.0L I6 6-speed automated manual RWD
| BMW Z4 in Florida, United States Dec 2012 - Sep 2018 | |||
| Jan 201392000 miUS $550 | I am having coolant temperature problems with the gauge moving from the center to red zone. | ||
| Aug 201595000 miUS $567 | I needed a tune-up. | ||
2004 BMW Z4 2dr Convertible
225-horsepower 3.0L I6 5-speed shiftable automatic RWD
| BMW Z4 in Florida, United States May 2013 - Jun 2014 | |||
| Dec 201377000 miUS $160 | Replace the alternator with a new Bosch unit . | ||
| BMW Z4 in Georgia, United States Jan 2012 - Jun 2015 | |||
| Apr 201253000 miUS $700 | Auto dimming rear view mirror broke | ||
| Feb 201363200 miUS $450 | Thermostat housing | ||
| Oct 201370200 miUS $4300 | Hydraulics for convertible top quit working Instrument cluster panel | ||
| Sep 201476000 miUS $100 | Hydrolics for conververtible top | ||
| BMW Z4 in California, United States Dec 2014 - Aug 2020 | |||
| Dec 201453000 miUS $500 | replaced worn accessory belts. Right headlight burned out | ||
| Jan 2015US $1000 | Coolant leak. Replaced radiator, and expansion tank. | ||
| Mar 201663000 miUS $200 | FRONT LOWER BODY PANEL HAD SEPARATED FROM THE FRAME. NEW CLIPS WERE REQUIRED TO RE-ATTACH IT. | ||
| Dec 201776000 miUS $235 | Left headlight failed, and was replaced. Also diagnosed two oil leaks, one from valve cover, and one from the oil pan. | ||
| May 201878000 miUS $1000 | Oil leak. Oil pan gasket replaced. | ||
| BMW Z4 in New Zealand Apr 2012 - Jun 2018 | |||
| May 201253940 mi$200 | Petrol cap locking actuator not working. Broken rear boot brake lens. Known fault recorded with the boot lens breaking due to retaining spring pressure overseas, however BMW NZ have no record of this being a problem here. | ||
| May 201566340 mi$300 | faulty tamper alarm sensor on bonnet | ||
| BMW Z4 in New Jersey, United States Jan 2009 - Jun 2011 | |||
| Mar 200946257 mi | Convertible motor failure | ||
2004 BMW Z4 2dr Convertible
184-horsepower 2.5L I6 5-speed shiftable automatic RWD
| BMW Z4 in Florida, United States Oct 2010 - Jan 2011 |
| BMW Z4 in Tennessee, United States Jan 2010 - Jun 2011 | |||
| Feb 2010160000 miUS $10000 | Engine overheated and had to be completely replaced. | ||
| BMW Z4 in Georgia, United States Dec 2010 - Jun 2014 | |||
| Dec 201055000 miUS $400 | replaced cracked coolant expansion tank and mountng bracket. | ||
| Aug 201275000 miUS $300 | Replaced starter. I did not have to tow the car only because it was sitting in my driveway at the time. It would not make a sound when turning the ignition. Replaced 1) leaking water hose and, 2) leaking thermostat and housing. | ||
| BMW Z4 in Texas, United States Apr 2010 - Oct 2014 | |||
| Jun 2011101000 miUS $164 | Starter failed, replaced same | ||
| BMW Z4 in Oregon, United States Jun 2010 - Jun 2018 | |||
| Nov 201576600 miUS $945 | Airbag sensor coded. Replaced driver side B-Piller Airbag Satellite Sensor Replaced one coil pack and all 6 spark plugs | ||
| May 201681126 miUS $1475 | Top will not automatically go to down/up. Possible hydraulic or electric motor failure. Replaced Hydraulic Pump. | ||
| May 201781300 miUS $1228 | Lower intake boot cracked. Coded P0171 lean fuel trim. Replaced lower intake boot. | ||
| Nov 201782000 miUS $10 | Replaced windshield washer pump and grommet/filter. | ||
| Mar 201883000 miUS $17 | Trunk dampers were shot causing trunk lid to close without restraint. Replaced trunk dampers | ||
| Apr 201883541 miUS $618 | Starter failed. Replaced. | ||
| BMW Z4 in Texas, United States - Jan 2009 | |||
| May 200628186 mi | Ignition coil replacement | ||
| Jul 200630419 mi | "Sticky steering issue". Replaced complete EPS steering column assy, endcoded EPS and LWS control units w/ program 22.0. | ||
| Jan 200955136 mi | After warranty expired but repaired a/c as good will. Defected IHKA. A/C clutch would not engage. Replaced IHKA and encode using prog. 2.32.1 | ||
| BMW Z4 in Tennessee, United States Apr 2013 - Jun 2018 | |||
| Jun 2013114000 miUS $50 | Check Engine Light - Cyl 02 misfire. Replaced plug (original) and Coil pack. | ||
| Feb 2014124600 mi | Dreaded P0743 (torque converter). Did initial diag and reset myself and SEL returned in about 30 miles. Took it to the shop, estimate is $700 to 1k. Right now runs and drives fine other than gas mileage dropping by .4 per gal. If it worsens might fix it. | ||
| Feb 2015144000 miUS $50 | Replaced leaky oil filter housing gasket, brittle oil pressure switch, and gasket ring. | ||
| Apr 2015148000 miUS $615 | Replaced SIM. | ||
| Mar 2016163000 miUS $600 | Soft top motor died. Replaced the motor with a new one but it is still slow to respond. It does work, just very slowly. | ||
| Sep 2016170000 miUS $475 | Idler pulley broke causing belt to snap and sever radiator hose. | ||
| BMW Z4 in Malaysia Jul 2011 - Aug 2011 | |||
| Aug 201138440 mi$150 | compressor belt tensioner spring replaced | ||
2004 BMW Z4 2dr Convertible
184-horsepower 2.5L I6 5-speed manual RWD
| BMW Z4 in Connecticut, United States Jan 2008 - Sep 2012 | |||
| Dec 200828500 mi | No repairs since the purchase of the vehicle in August 2004. Silicone lubricant was used in Nov.'04 to correct a wind leak on the driver's side window that occurred at speeds above 40 mph. Problem solved! | ||
| Dec 200935000 miUS $1700 | Service Engine light was on.Two faults were found;defective fuel breather valve and a defective instrument cluster that was not communicating with the engine computer.Steering no longer "sticky" or "binding". | ||
| BMW Z4 in North Carolina, United States Oct 2016 - Nov 2020 | |||
| Jan 2017US $1025 | Oil pan gasket bad Vacuum leak | ||
| Jun 2017133000 miUS $270 | Convertible top hydraulic hinge seals broken. Top would not open or close. Removed top, sent hinge to be refurbished. After hinge seals fixed, reinstalled. | ||
| Sep 2017134000 mi | Electronic throttle control errors, car wouldn't stay on, throttle inoperable. Pulled battery, recharged, reinstalled. Throttle started working. | ||
| Dec 2017134000 miUS $60 | Battery dies frequently. Diagnostic at shop says the battery and alternator are fine, still trying to find phantom load. | ||
| Apr 2018134000 miUS $180 | Battery ultimately failed, still no cause of phantom power draw. | ||
2003 BMW Z4
Engine not specified
| BMW Z4 in Virginia, United States Jul 2011 - Sep 2012 | |||
| Aug 201188000 miUS $325 | replaced radiator, expansion tank, and lower radiator hose with aftermarket parts. | ||
2003 BMW Z4 2dr Convertible
225-horsepower 3.0L I6 6-speed manual RWD
| BMW Z4 in Connecticut, United States May 2009 - May 2011 | |||
| Aug 201058000 miUS $530 | Speedometer and all related functions stopped working. Warning lights for DSC, ABS, Brake, and TPMS. Returned for repair of broken wheel speed sensor. New sensor did not fix problem, further diagnosis found shorted out wire was the original cause. 3 more days of diagnosis time plus one day for the actual repair. | ||
| BMW Z4 in Texas, United States Apr 2009 - Jun 2018 | |||
| Oct 200982000 miUS $150 | Large evaporative leak code 0455 - fixed by replacing the gas cap and some vent hoses. | ||
| Nov 2011104000 miUS $270 | Original alternator died at 104,000. Replaced with remanufactured alternator, replacement was easy DIY. | ||
| May 2012109400 miUS $100 | Very slightly leaky oil separator valve, replaced with ancillary hoses. Pretty simple once I figured out how it's assembled. | ||
| Mar 2013118000 mi | Small oil leak at oil pan gasket; replaced gasket. Proper replacement requires supporting the engine from the top and dropping the subframe - time consuming. | ||
| Sep 2013121000 miUS $40 | Secondary air pump died at 121,000 miles triggering check engine light. Replaced pump and hoses. | ||
| Nov 2013122700 miUS $200 | Starter went out, replaced with a new unit | ||
| Dec 2014135000 mi | Passenger side window stopped going up when temperatures dropped. Cleaned window regulator, traced problem to bad relay on GM5 module. Followed online instructions to clean relay, works fine now. | ||
| Mar 2015138000 mi | Had to replace valve cover gasket, #1 ignition coil and DISA valve to fix misfiring at idle | ||
| Sep 2015145000 miUS $300 | Refreshed suspension and bushings, did front end alignment | ||
| Jun 2018160000 miUS $30 | Slight oil leak in the front of the valve cover, replaced gasket | ||
| BMW Z4 in Minnesota, United States Apr 2009 - Jun 2022 | |||
| Jun 200938000 miUS $3 | broken hose clamp on engine air intake was fixed | ||
| Jul 201145960 miUS $260 | replaced coil springs in rear suspension replaced coil springs in rear suspension | ||
| Jun 201250000 miUS $110 | replace front control arm bushings | ||
| Sep 201768000 miUS $150 | replaced starter | ||
| May 201869000 miUS $130 | replaced valve cover gasket; replaced spark plugs | ||
| May 202273000 miUS $650 | shifter shaft seal - replaced | ||
| BMW Z4 in North Carolina, United States Apr 2009 - Nov 2009 | |||
| Jun 200980000 miUS $50 | Steering column replaced due to binding | ||
| BMW Z4 in Texas, United States - Jun 2009 | |||
| Jun 200917000 miUS $3500 | Replaced steering column due to binding. | ||
| BMW Z4 in Texas, United States Jun 2013 - Sep 2016 | |||
| Jun 201373000 miUS $450 | Oil filter housing was cracked and leaking. had to be replaced. | ||
| Mar 201588000 miUS $2500 | Convertible top motor failed. Replaced motor and all new hydraulics | ||
| Jun 201589000 miUS $150 | Front window seals and plastic wiper covers were rotting due to age. Replaced. | ||
| Sep 201589000 miUS $50 | Driver's drink holder failed. Replaced with OEM part. | ||
| May 201692400 miUS $250 | Thermostat failed Ignition coil failure | ||
| Jul 201694300 miUS $280 | coolant overflow tank cracked resulting in loss of coolant | ||
| BMW Z4 in South Carolina, United States May 2015 - Jul 2016 | |||
| May 2015199000 miUS $400 | Coolant overflow tank was cracked and leaking. Overflow tank was replaced. | ||
| BMW Z4 in Tennessee, United States Dec 2011 - May 2014 | |||
| Oct 201378500 miUS $300 | Coolant expansion tank developed a leak. Replaced tank and all hoses. | ||
| BMW Z4 in Great Britain - Jan 2010 | |||
| May 200426000 mi£150 | Rear coilover springs x2 | ||
| May 200842000 mi | Cracked 3rd brake light due to retaining springs being too strong. | ||
| Nov 200944000 mi£1220 | Electric Hood motor | ||
| Dec 200945600 mi£500 | Fuel pump failed on freeway. Fuel pump failure. Scary.. | ||
| Jan 201046000 mi£350 | Driver Side Window Regulator | ||
| BMW Z4 in South Carolina, United States Sep 2011 - Sep 2012 | |||
| Jun 201282000 miUS $350 | Replace cracked MAF boot Replace coil | ||
| Sep 201284000 miUS $40 | Tighten battery cables | ||
| BMW Z4 in Georgia, United States Mar 2014 - Mar 2017 | |||
| Aug 201459600 miUS $104 | Back of Driver seat came off. Had to get parts from Germany Navigation system would not extend up. Bolt broke. New unit required. | ||
| Apr 201562200 miUS $580 | Starter died. Had to replace | ||
| Feb 201766000 miUS $600 | Re nav broke. Found new unit out of California for 500. Ordered and had installed locally. | ||
2003 BMW Z4 2dr Convertible
225-horsepower 3.0L I6 6-speed automated manual RWD
| BMW Z4 in Florida, United States Feb 2011 - Mar 2013 | |||
| Apr 201124000 miUS $11570 | AM going to do work myself 4 TPMS modules need to be replace, Brake pressure sensor need to be replaced Thrid Brake light cracked Rear side marker light fell into car fender Radio volume button does not work. was told have to replace radio. bought aftermarket radio nd installed. Better features and sound Headlight housing cracked. BMW told me have to replace headlight housing. Bought aftermarket headlights that are better and for $500 Airbag light is on. Had to spend 135 to diagnose the problem and they told me it was a loose wire. The fixed it & still had the same problem. car ws in shop for 6 days and no loaned car while they tried to determine problem was a faulty mat | ||
| BMW Z4 in Oregon, United States Oct 2009 - Sep 2012 | |||
| Jul 201251800 miUS $212 | radiator hose | ||
| BMW Z4 in New York, United States Feb 2015 - Jul 2018 | |||
| Jan 201716000 miUS $600 | anti freezer leaking from the front of the engine, considering the age I replace, water pump, water out let and all hoses | ||
2003 BMW Z4 2dr Convertible
225-horsepower 3.0L I6 5-speed shiftable automatic RWD
| BMW Z4 in Nevada, United States Apr 2012 - Apr 2017 | |||
| Apr 201548000 miUS $850 | Coolant leak. Not the radiator, but new thermostat, hoses, temperature sensors, and new overflow bottle cap. I probably got took to the cleaners. I should have looked more for the leak location and possible causes. | ||
| BMW Z4 in Nova Scotia, Canada Apr 2010 - Oct 2014 | |||
| Jun 201078120 miC $120 | Sec. air system (2760) | ||
| Oct 201384940 miC $450 | Sec. air fault. Replaced Air pump/motor. | ||
| BMW Z4 in California, United States May 2010 - Jun 2011 | |||
| Jun 201025000 miUS $300 | |||
| Jul 201025300 miUS $7000 | Three wheels cracked, and tires required replacing. | ||
| BMW Z4 in South Carolina, United States Feb 2010 - Jul 2013 | |||
| Jun 201041000 mi | Chronic right front turn signal failure | ||
| Oct 201042000 mi | Replaced right front turn signal socket. Now the headlight continually fills with condensation | ||
| Apr 201145000 miUS $2800 | Hydraulic pump for top failed. | ||
| BMW Z4 in Georgia, United States Jul 2009 - Apr 2010 | |||
| Oct 200949000 miUS $617 | Passenger door latch no longer sensed door was closed. Door would not lock and window stayed down as if door were open. Entire latch assembly had to be replaced. | ||
| BMW Z4 in Minnesota, United States Oct 2012 - Sep 2017 | |||
| May 201568300 miUS $650 | Valve cover gasket | ||
| Jun 201569000 miUS $85 | Thermostat housing had a micro crack resulting in leaking coolant. | ||
| Aug 201775000 miUS $200 | Replaced worn front brake pads, rotors, amd wear sensors. | ||
| BMW Z4 in Qatar Jan 2010 - Jun 2011 | |||
| Mar 201031000 mi﷼2700 | Replacement of fuel injection - 6 nozzles | ||
| BMW Z4 in Florida, United States Apr 2008 - May 2018 | |||
| Jun 200830800 mi | Replace Instrument Carrier. Replace passenger window regulator. | ||
| Dec 200833000 miUS $92 | Replaced battery. | ||
| Oct 200934800 mi | Replaced driver side window regulator. Replaced DSC pressure sensor. | ||
| Aug 201136000 miUS $327 | Replaced headlights due to fogging. | ||
| Sep 201140000 miUS $121 | Replace CHMSL. The center brake lights crack on these cars. Replaced windshield molding and cowl cover due to cracking and deterioration. | ||
| Feb 201343000 miUS $132 | Replaced starter motor. | ||
| Jun 201344000 miUS $23 | Replaced valve cover gasket. | ||
| Jun 201547000 mi | A/C compressor failure. I purchased the parts but have yet to have them installed. New compressor, condenser, drier, expansion, valve, and belt tensioner. $900.00 for parts, all new not remanufactured. Expecting labor to be $600.00. Convertible top hydraulic pump failed. Will not repair. | ||
| Apr 201650000 mi | Code P0741. The ZF 5HP19 transmission is known to have an issue with the shaft seal on the torque converter clutch. Not yet repaired as the SES light turned off after 6 consecutive start/stop cycles. | ||
| Dec 201753000 miUS $175 | Replaced the Battery. It was 2 months shy of 5 years old and would not take a charge. | ||
2003 BMW Z4 2dr Convertible
184-horsepower 2.5L I6 6-speed automated manual RWD
| BMW Z4 in California, United States Feb 2015 - Dec 2016 | |||
| Apr 2015134000 miUS $3798 | transmission rebuilt,rear oil seal on engine replaced | ||
| BMW Z4 in Texas, United States Jun 2013 - Jul 2014 | |||
| Apr 201458200 miUS $385 | replace cowling at the base of the windshield due to deterioration | ||
| BMW Z4 in North Carolina, United States Nov 2009 - Jun 2018 | |||
| Jan 201093300 miUS $263 | Replace dead battery, Replace air intake tube that cracked causing whistle | ||
| Aug 201072000 miUS $700 | Replaced Right Rear wheel Bearing | ||
| BMW Z4 in Ohio, United States Jun 2009 - Dec 2015 | |||
| Jul 200953000 miUS $50 | Replaced broken cup holder | ||
| Oct 200956000 miUS $80 | Replaced front windshield cowl | ||
| Mar 201481000 miUS $115 | Replaced Third Brake light which had cracked | ||
| Sep 201586000 miUS $1200 | climate control module replaced | ||
2003 BMW Z4 2dr Convertible
184-horsepower 2.5L I6 5-speed shiftable automatic RWD
| BMW Z4 in Korea, South Jun 2012 - Jun 2018 | |||
| Jul 201779980 mi$990 | Replaced DISA Valve Replaced struts and shocks | ||
| Oct 201781220 mi$40 | Valve Cover Gasket Replacement | ||
| Jan 201882543 mi$150 | Replaced water pump, thermostat, belts, hoses | ||
| Feb 201882770 mi$250 | Replaced leaking radiator, expansion tank and mounting bracket, cap, transmission thermostat | ||
| BMW Z4 in California, United States May 2010 - Feb 2014 | |||
| Jan 2013US $300 | Engine mounts replaced | ||
| Jun 201377000 miUS $1000 | Bushings and suspension arm replaced along with Alignment n oil change | ||
| BMW Z4 in British Columbia, Canada Mar 2011 - Jun 2018 | |||
| Dec 201123560 mi | main computer acting up..cleared it of all messages and seems ok again. | ||
| Jun 201228520 miC $67 | Convertible top motor failed and squealing brake pads changed for ceramic which fixed problem. | ||
| Sep 201644640 miC $140 | MAF replaced | ||
| BMW Z4 in Oregon, United States Dec 2009 - Feb 2017 | |||
| Mar 201131000 miUS $100 | cable connecting outside door handle broke (Bowden cable) and had to be replaced. Had to remove entire door handle and interior panels to do so | ||
| BMW Z4 in Victoria, Australia Mar 2010 - Jun 2011 | |||
| Apr 201035960 miA $300 | Replaced DISA valve | ||
| BMW Z4 in New York, United States May 2015 - Sep 2015 | |||
| Jul 2015101000 miUS $400 | Ball Joints | ||
| BMW Z4 in New Jersey, United States Nov 2012 - Jul 2022 | |||
| Dec 201271000 miUS $1400 | Windshield washer pump replaced. Power top motor had to be replaced. | ||
| Aug 201372300 miUS $250 | Molding above & below windshield was deteriorated. I had them replaced | ||
| Dec 201576000 miUS $300 | cooling system leak. Had radiator replaced | ||
| Oct 201777000 miUS $16 | repaired wires chewed up | ||
| Jun 202281000 miUS $170 | replaced | ||
| BMW Z4 in Georgia, United States Apr 2010 - Sep 2016 | |||
| Jul 201581000 miUS $180 | Window regulator replacement Brake master cylinder replaced | ||
| Jun 201684000 miUS $560 | Brake master cylinder replacement Center brake light leaking around seal. Allowed water into trunk with collection in battery/electronics area ruining radio amplifier. Replaced light and amplifier. | ||
| Sep 201684000 miUS $40 | Replaced deflection pulley | ||
| BMW Z4 in Quebec, Canada Jul 2015 - Oct 2015 | |||
| Jul 201575020 mi | Convertible motor needed to be changed... apparently it's a common issue because of a bad drainage system near the trunk. | ||
| BMW Z4 in Virginia, United States Apr 2009 - Sep 2013 | |||
| Aug 201067000 miUS $35 | Faulty Coil on Plug (COP) on cylinder no. 5. Replaced with new COP | ||
| Nov 201167200 miUS $150 | Coolant leak. Replaced both hoses and coolant temp sensor. | ||
2003 BMW Z4 2dr Convertible
184-horsepower 2.5L I6 5-speed manual RWD
| BMW Z4 in Utah, United States Aug 2009 - Jun 2022 | |||
| Oct 201284000 miUS $790 | Leaking Radiator | ||
| Oct 2015105300 miUS $247 | Bad starter motor | ||
| Sep 2016110000 miUS $100 | Passenger door won't unlock with remote. Replaced door latch. Still does work correctly. Will need to replace GM5 module. Had GM5 Module repaired to fix passenger door not opening. $100 plus $9 shipping to have it repaired. | ||
| Dec 2016110000 miUS $46 | Oil leak, Replaced valve cover gasket. | ||
| Jun 2017112000 miUS $89 | car shakes over 60 MPH. Lower control arm bushings are shot. | ||
| Apr 2021119000 miUS $1100 | replace cracked Thermostat housing and all cooling hoses and serpentine belt | ||
| BMW Z4 in New York, United States Apr 2009 - Jun 2012 | |||
| Aug 201027000 miUS $607 | Airbag warning light came on. Took to 2 independent repair shops but they could not repair as their computer would not allow reflash. Took to dealer who installed airbag sensor, reflashed computer and problem solved for over $600. | ||
| BMW Z4 in Virginia, United States Feb 2010 - Apr 2011 | |||
| Jul 201052000 miUS $140 | Air bag light came on. Problem was fault triggered by mat in passenger's seat. | ||
| Apr 201156000 miUS $500 | SRS light was on, caused by fault in passenger's seat sensor mat. Installed bypass so car thinks passenger's seat is always occupied. Then had light reset by a shop. Motor for convertible top seized. Will be replacing it myself. Parts total about $500. | ||
| BMW Z4 in Michigan, United States Dec 2009 - Oct 2017 | |||
| Sep 200959000 miUS $40 | replaced boot from intake to throttle body | ||
| Jul 201062000 miUS $1600 | Convertible top motor and drive belt replacement | ||
| Feb 201163900 miUS $145 | Replaced cooling expansion tank and hoses | ||
| Sep 201168000 miUS $1500 | Convertible top motor leaking fluid. Replaced seals for hydraulic lines. | ||
| Mar 201269000 miUS $200 | Replaced DISA in intake. | ||
| Aug 201271300 miUS $1000 | HVAC control panel was replaced Seat sensor not working causing airbag light | ||
| Sep 201272000 miUS $530 | replaced front control arms including ball joints and control arm bushings as well as sway bar end links | ||
| Aug 201374300 miUS $975 | replaced oem suspension with aftermarket coilover and shock/springs | ||
| Oct 201375000 miUS $35 | replaced camshaft position sensor | ||
| BMW Z4 in Puerto Rico Jul 2010 - Jan 2011 | |||
| Sep 201082000 miUS $1400 | Replace right rear bearing. Driver door had rattle. dealer pulled panel and found bolt from power window motor had come out and fallen into bottom of door. Dealer said it was not under warranty and $400 ~$600 cost to fix it. | ||
| BMW Z4 in Florida, United States Jul 2009 - Mar 2010 | |||
| Aug 200927000 miUS $1534 | Convertible top motor went out. | ||
| BMW Z4 in North Carolina, United States Jun 2011 - Dec 2012 | |||
| Jul 201176000 miUS $1200 | New electric motor to raise/lower convertible top | ||
| Aug 201261000 miUS $475 | Main gasket around front windshield had aged in the sun | ||
| BMW Z4 in Colorado, United States Dec 2014 - Jun 2018 | |||
| Jul 2015136500 miUS $250 | rear wheel speed sensor shot | ||
| BMW Z4 in Victoria, Australia Apr 2014 - Jul 2022 | |||
| Apr 201582660 miA $150 | Car kept overheating, changed coolant, pressure tested system, still overheated. Ran engine and added additional coolant, problem resolved. Suspect air lock in system. | ||
| Jun 2017102920 miA $150 | Coolant level warning light, loss of coolant. | ||
| Oct 2017105400 miA $150 | Replaced bottom radiator hose after discovering a small leak. | ||
| Jun 2018120280 miA $200 | Convertible roof wouldnt retract, dealer repaired faulty fitting and tested all good. Dealer had previously fitted new roof to vehicle. | ||
| Sep 2021142600 miA $150 | Drivers side door latch stopped working replaced with new cables and latch | ||
| BMW Z4 in Connecticut, United States Jul 2012 - Dec 2013 | |||
| Sep 2012132000 miUS $2300 | Stability control unit went, needed a new unit installed, software update | ||
| Dec 2012134000 miUS $2800 | stabilizer bar was broken, needed new front shocks, both front wheels were bent and not able to be trued. required a four wheel alignment, new tires for all four wheels | ||
| BMW Z4 in Virginia, United States - Mar 2008 | |||
| Oct 200752000 miUS $30 | Replace intake hose | ||
| Jan 200857000 miUS $900 | Replace Air Conditioner Compressor | ||
| Mar 200861000 miUS $500 | Replace Convertible Top Motor | ||
| BMW Z4 in Washington, United States Apr 2007 - Mar 2010 | |||
| Jun 20074000 mi | Instrument cluster fault, replaced - covered by warranty. | ||
| Dec 20078500 miUS $175 | Cracked 3rd brake light (due to cold). | ||
| BMW Z4 in Massachusetts, United States Mar 2018 - Jun 2020 | |||
| Jun 202025000 miUS $850 | two brake sensors failed --largely due to age | ||
| BMW Z4 in Pennsylvania, United States Mar 2010 - Jul 2010 | |||
| May 201047000 miUS $500 | Two broken rear springs replaced | ||
| BMW Z4 in Tennessee, United States Sep 2012 - Jun 2018 | |||
| Oct 201277300 miUS $1500 | front bushings convertible top motor | ||
| Nov 201387400 miUS $1500 | bushing replacement Top Motor | ||
| Jul 201499000 miUS $150 | Coolant expansion tank leak (common failure, expected at 100k mi per BMW). | ||
| Jul 2017115000 miUS $175 | Replaced failed coil. | ||
| BMW Z4 in Manitoba, Canada May 2011 - Jun 2022 | |||
| Mar 201252700 miC $8 | Seatback wouldn't stay in position, purchased new fitment pins and reinstalled, seems good now | ||
| Sep 201373160 mi | problem with power door locks | ||
| Apr 201479360 miC $475 | Bought 2 new actuators after getting completely locked out(thankfully top was down). Both worked perfectly for a week, but drivers door is again not working. Next step either wire in a new relay system or replace the relays on the GM5 module. | ||
| Mar 201693620 mi | The car has also developed a minor oil leak from the valve cover gasket, more of an annoying smell now and again than anything but I have the parts ordered. | ||
| Dec 201696100 miC $95 | Replaced water pump.. should have also replaced a few rad hoses on spec but will keep an eye on things. | ||
| Jan 201778200 miC $30 | Managed to fix the GM5 unit by desoldering and replacing the relays on the circuit board. Not a difficult job, but spend some time on Youtube learning how to desolder components if anyone else tries this. | ||
| Feb 201796100 miC $75 | Car was leaking coolant over time. Replaced top and bottom rad hoses, and engine coolant temperature sensor. Quite possibly could have gotten away with replacing the o-ring on the sensor and fixed things, but these hoses are getting older. Noticed the car was smoking on the exhaust manifold. Valve cover gaskets failing. Replaced valve cover gaskets, all good now. | ||
| Feb 2020102300 mi | Frozen battery. Removed battery, let it thaw out in shop and slowly recharged it. Installed battery switch to easily disconnect battery for storage. | ||
| BMW Z4 in California, United States Jul 2010 - Mar 2014 | |||
| Dec 201070000 miUS $55 | Started after sitting a few days, severe engine knocking and vibrations occurred. Might have been ignition coil failure in one cylinder. When drive to shop, engine ran fine. Shop inspected; I decided not to replace since holidays/$ short. | ||
| Sep 201179000 mi | Rain sensing wipers had never worked since I bought car @ 23000mi. Sensor had separated from glass, only way to fix was new windshield & I didn't. Recently my windshield got large crack and insurance replaced, which also fixed rain sensor! | ||
| Jul 201290500 miUS $175 | Crack in coolant expansion tank. Had to replace tank and associated parts. | ||
| Nov 201397000 miUS $300 | Rotation Rate Sensor AKA Yaw sensor was bad. Figuring this out took forever to diagnose but was an easy repair to replace the part. | ||
| BMW Z4 in Florida, United States Apr 2010 - Jun 2012 | |||
| Jun 201083000 miUS $8000 | Expansion tank cracked, R&R expansion tank and water hoses Windshield cover cracked and deformed, R&R Winshield cover Driver's door leaking, reatached door membrane. Soft top drainage clog, cleaned drains valve head cover leaking oil R&R cover seal | ||
| Aug 201083000 miUS $500 | Soft top electro hydraulic motor burn out due to water intrusion. This is the second time that the E/H unit has to be replaced due waterd damage | ||
| Feb 201188000 miUS $90 | Head light front auto leveling sensor link broke off. R&R sensor and adjusted head light Replaced soft top electro-hydraulic motor | ||
| Jun 201194000 miUS $200 | Disa valve | ||
| Aug 201195700 mi | Soft top hydroelectric motor stopped working due to water intrusion, this would be the fourth unit installed | ||
| Dec 201199000 miUS $1000 | Engine oil filter housing "o" ring replaced due to a leak Transmission shaft and linkage seal replaced due to a leak | ||
| BMW Z4 in California, United States Aug 2010 - Jun 2017 | |||
| Sep 2012165000 miUS $300 | replaced left and right front control arm bushings left and right sway bars: location points of attachment were cracked, requiring spot welds on both sides. | ||
| Jul 2013177700 miUS $2500 | complete transmission rebuild due to a small tranny leak that was left unattended (since 11/2012) | ||
| Sep 2014199000 miUS $1050 | left and right lower control arms were removed and replaced. both Left and Right bushings were dry and cracked. I was advised bushings can't be replaced & the arms must be replaced as an assy. | ||
| Jun 2015216000 miUS $590 | experienced an intermittent radiator indicator light on the control panel. Finally belt broke requiring a tow and r/r of waterpump *and associated parts were replaced although not broken) | ||
| Jan 2016229000 miUS $1490 | removed and replaced differential bearings progressive oil leak required the valve cover gasket to be removed and replaced | ||
| Sep 2016243000 mi | remove and replace cracked Oil housing radiator had a small crack | ||
| Mar 2017255000 miUS $142 | Removed & replaced cracked upper radiator hose (OEM) | ||
| BMW Z4 in New South Wales, Australia May 2011 - Oct 2011 | |||
| Jun 201147120 miA $1000 | starter motor stopped working. couldnt start the car. | ||
| BMW Z4 in South Carolina, United States Sep 2010 - Mar 2013 | |||
| Sep 201099800 miUS $200 | I can only select one radio button?? What if two things are broken? Bad alternator. Bad convertible top motor- not repaired 3 weeks apart | ||
| Aug 2012165300 miUS $3000 | Bad fuel injectors. All replaced. Leak in coolant fluid lines Engine thermostat faulty, replaced. | ||
| BMW Z4 in Tennessee, United States Sep 2010 - Dec 2011 | |||
| Oct 201073000 miUS $400 | Windshield Gasket, dry rotted and cracked with pieces falling out. New part ordered from manufacturer in Germany. | ||
| Aug 201178000 miUS $469 | Starter totally failed and was replaced. | ||
| Oct 201178000 miUS $350 | Crack in the Fuel Injection rail leaking gas onto the intake manifold. | ||
| BMW Z4 in North Carolina, United States Apr 2010 - Sep 2015 | |||
| Jul 201541000 miUS $250 | AC stopped blowing cold. | ||
See TrueDelta's information for all Hatchbacks and Convertibles.
See TrueDelta's information for all BMW models.
