2006 BMW Z4 BMW Z4 2006

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2006 BMW Z4 repairs by problem area

Engine (22%)

Transmission and Drivetrain (7%)

Brakes and Traction Control (2%)

Suspension and Steering (11%)

Electrical and Air Conditioning (34%)

Paint, Rust, Leaks, Rattles, and Trim (20%)

Other (4%)

Chart based on 152 repairs.
See TSBs and recalls for the 2006 BMW Z4.

2006 BMW Z4 repair cost distribution

$2500+ (8%)

$1000 - $2499 (15%)

$500 - $999 (11%)

$100 - $499 (29%)

< $100 (37%)

Worried about potential repair costs? An extended warranty can provide peace of mind.

Chart based on 111 repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.

2006 BMW Z4 2dr Hatch

330-horsepower 3.2L I6 6-speed manual RWD

BMW Z4 in California, United States
Jun 2010 - Aug 2011
Dec 2010

61000 mi

US $1800
Constant Oil Pressure Valve leak. Rear differential seals leaking, A/C belt cracked - after 4 years of ownership. 
Mar 2011

64000 mi

US $900
Power window regulator broken, repaired by dealer. 
BMW Z4 in Alabama, United States
Dec 2011 - Jul 2014
Apr 2012

92000 mi

US $500
Loose suspension parts 
Jul 2012

92200 mi

US $1500
Airbag light came on. 

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2006 BMW Z4 2dr Hatch

255-horsepower 3.0L I6 6-speed shiftable automatic RWD

BMW Z4 in Florida, United States
Aug 2009 - Jun 2015
Dec 2010

66000 mi

US $1150
replaced front lower control arms and bushings 
Oct 2011

78800 mi

US $150
replaced coil cylinder #5 
Jul 2013

102800 mi

US $1200
new radiator resevoir hoses theromstat and water pump 
Oct 2013

107200 mi

US $525
replaced starter 

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2006 BMW Z4 2dr Hatch

255-horsepower 3.0L I6 6-speed manual RWD

BMW Z4 in Minnesota, United States
Nov 2009 - Jun 2018
Jul 2011

44000 mi

US $25
alarm would go off after set. replaced the under hood switch. 
BMW Z4 in Washington, United States
Jul 2015 - May 2017
Mar 2016

60000 mi

US $475
Replaced air mass sensor 
Jul 2016

62500 mi

US $1978
Water pump, thermostat, temperature sensor replaced. Water pump was preventives. When other two failed car overheated and had to be towed. 
Nov 2016

65200 mi

US $870
Expansion tank exploded, dumping all coolant. Probably result of faulty cap. 

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2006 BMW Z4 2dr Convertible

330-horsepower 3.2L I6 6-speed manual RWD

BMW Z4 in Tennessee, United States
Oct 2009 - Apr 2018
Mar 2010

40000 mi
headlight replaced 
Oct 2010

51000 mi
Small electrical component in front fascia. 
Nov 2010

51500 mi
Wire wrap melted on wire next to vanos. Replaced wire wrap. 
Oct 2013

73300 mi

US $150
Battery died. Cable was corroded to battery terminal. 
Oct 2014

81000 mi
Plastic handle on center console broke. Seatbelt guides on top side of both seats broke. 
Dec 2017

97000 mi

US $100
Rear Third Brake Light was falling apart. Repair unsuccessful. 
BMW Z4 in Virginia, United States
Apr 2010 - Jan 2011
May 2010

18000 mi
windshield cowl trim piece was warped & cracked. 
BMW Z4 in Ontario, Canada
Mar 2010 - Jul 2018
Apr 2010

8680 mi
Left hand side inner Halo light ring not lighting, Light out warning on dash. Dealer had to order new headlight assembly for repair. 
Jun 2015

17360 mi

C $250
Replaced battery 
Mar 2018

22320 mi

C $200
hid bulb would not always turn on 
BMW Z4 in Alabama, United States
Jan 2010 - Oct 2016
Oct 2015

38000 mi

US $450
Car has "Top HIFI System Professional DSP" sound system. All four woofers stopped working. I correctly guessed the ten channel amplifier had partially failed. New amp was $1,000. I purchased a used one for $450, installed it, problem solved. 
BMW Z4 in Texas, United States
May 2010 - Jun 2018
Jun 2012

29000 mi
Spring holding the hood up at the front broke. 
Mar 2013

37000 mi

US $430
Power steering hose was leaking, replaced. 
Jun 2013

37000 mi

US $65
Shift knob came off, replaced with ZHP knob. 
Feb 2014

38600 mi

US $250
Rear sway bar end link snapped in half on passenger side. 
Sep 2014

41000 mi

US $5
Center storage compartment button broke off. 
Aug 2016

51000 mi

US $100
Leaking shifter shaft seal Starter failed the day before a scheduled repair for the other items, intermittent starting Flex disc cracked 
May 2017

52000 mi

US $40
Angle eye bulb replaced 
BMW Z4 in Pennsylvania, United States
Jun 2011 - Feb 2013
Aug 2012

35600 mi

US $625
Starter intermittently dead. Replaced starter. 
BMW Z4 in Ontario, Canada
Sep 2015 - Jul 2016
Sep 2015

75020 mi
Differential seal leaking, straightforward repair with no special issues. 
BMW Z4 in Georgia, United States
May 2016 - Jun 2018
Jun 2016

92000 mi

US $90
Center brake light developed another cracked lens. Replaced it 
Dec 2016

97000 mi

US $80
Burned out xenon driver headlight. Replaced via access panel in the wheel well using instructions found on YouTube 
Oct 2017

104000 mi

US $5200
Cracked VANOS hub, replaced. Hoses,  o2 sensors, replaced inspection 1 and 2 items 
Mar 2018

107000 mi

US $30
Burned out passenger xenon headlight. Replaced. Extra time spent figuring out how to get metal spring back on to assembly 
BMW Z4 in California, United States
Sep 2014 - Jun 2018
Jul 2016

36200 mi

US $165
A/C fan inoperative 
May 2018

41343 mi

US $267
No start. New key relay 
BMW Z4 in Texas, United States
Apr 2012 - Dec 2016
Feb 2014

39000 mi

US $1000
During Inspection 1 service, an oil leak was found and thought to be from the constant pressure valve - turned out that the head gasket was the source, and that was replaced. 
Mar 2015

50000 mi

US $634
Radio would cut out, was suspected as a radio issue. Turned out to be alternator needing replacement. Windshield sprayers stopped working; pump was replaced. 
Apr 2016

56000 mi

US $401
Car will stall on cold starts and sometimes while sitting after warmed up. Drive belts had some visible cracks. 
Dec 2016

57000 mi

US $60
Battery refused to take charge; replaced with proper sized battery (48R). 
BMW Z4 in New Jersey, United States
Mar 2017 - Dec 2017
May 2017

52500 mi

US $10
Windshield washer pump replaced 
BMW Z4 in New Mexico, United States
Oct 2009 - Jun 2011
Apr 2010

18000 mi
Screw fell out of convertible top, oil change, and sticky top latch. 
BMW Z4 in California, United States
Sep 2016 - Jun 2018
May 2018

61000 mi

US $150
Both mirrors and front bumper paint clearcoat failed. 
BMW Z4 in California, United States
Mar 2010 - May 2016
May 2012

65500 mi

US $780
Replace passenger-side broken engine mount bolts, engine mount bracket and rubber mount seats. 
Dec 2012

70000 mi

US $300
Dead battery 
Feb 2013

72300 mi

US $2000
Oil cooler leaking. 
Mar 2013

72000 mi

US $500
A/C not cooling air, vacuum tested, no leaks found, A/C recharged and functioning well. High pressure power steering line seeping/saturated, replaced line. 
Oct 2014

81300 mi

US $200
Broken shift knob. Cracked third brake lamp. Sun damaged M badge. 
BMW Z4 in Virginia, United States
Aug 2009 - Mar 2010
Sep 2009

26000 mi
AC computer (IHK) died. Blew hot air when the compressor was working. Replaced IHK, now working. 
BMW Z4 in Georgia, United States
Jul 2009 - Jun 2018
May 2009

9600 mi

US $210
Had recommended oil change and brake fluid changes. Put in modified CDV and had computer settings modified. No cost for services. 
Oct 2009

10000 mi
Oil change and replaced wiper arms which were damaged by the technician on the last visit. 
Apr 2010

11000 mi
TSB for sill plate damage. 
May 2010

12000 mi
Broken cupholder 
BMW Z4 in California, United States
Jul 2009 - Aug 2014
Aug 2009

23400 mi
Tighten loose dashboard screws. Replace driver's side xenon lamp. 
Dec 2009

27000 mi
rattle in the dash area, fixed to my satisfaction. 
Aug 2010

35000 mi

US $179
cleaning of fuel injectors 
Jul 2013

58300 mi

US $396
Xenon bulb failed, replaced the pair myself. 
Mar 2014

62000 mi

US $200
Battery ran low, triggering 'transport mode'. Had to reset codes. Also, changed headlights (not related. 
BMW Z4 in Missouri, United States
Jul 2009 - Aug 2010
Aug 2009

21000 mi
nav system error, blown speaker 
Jan 2010

22300 mi

US $60
Replace rear side marker, replace M emblem on engine after chrome bubbled 

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2006 BMW Z4 2dr Convertible

255-horsepower 3.0L I6 6-speed shiftable automatic RWD

BMW Z4 in Georgia, United States
Dec 2010 - Jun 2012
Jun 2012

28000 mi

US $2000
Convertible roof motor needed replacement. 
BMW Z4 in Texas, United States
Jan 2011 - Oct 2017
Nov 2011

50000 mi

US $500
Battery safety fuse fired off. Mechanic put back together but dash light is still on. He will order parts to replace. Airbag light is on. 
Jul 2012

52000 mi

US $4000
New battery New CRC?? SRC? computer Headlight starter 
Apr 2017

60600 mi

US $1100
Work to lessen negative camber on rear wheels. Installed longer adjustable suspension parts so that the rear tires would wear better. Problem was rear tires wearing out prematurely on insides of tread. Once tire even separated and required tow truck. 
BMW Z4 in British Columbia, Canada
May 2011 - Nov 2012
Jun 2011

41540 mi

C $3000
Had many lights on, speedo did not work. ABS, Traction control and brake lights all on. Replaced ABS module, corrected al problems 
BMW Z4 in Virginia, United States
Aug 2011 - Jun 2018
Jul 2012

48200 mi

US $1700
pump to raise and lower the convertible top went out 
May 2013

52300 mi

US $5100
pump for convertible top failed previous owner had used wrong parts and BMW insisted on replacing entire front brakes including rotors and pads and wheel bearings 
Sep 2015

66000 mi

US $1200
Loose steering Convertible top won't go down again - previously repaired by box for $1800. 
BMW Z4 in British Columbia, Canada
Mar 2014 - Jun 2016
Jul 2014

35420 mi
Transmission pan was leaking, I simply tightened the pan bolts a little and the leak stopped. 
Jan 2015

C $300
Transmission pan was leaking. New pan, gasket, filter and ATF 
Feb 2015

41540 mi
Windshield wipers were erratic. Stopping for several minutes, not shutting off. Took wiper motor out and cleaned grease off electrical contacts. 
BMW Z4 in Alabama, United States
Nov 2009 - Jun 2011
Jun 2010

20000 mi
Lifter noise, replaced lifters. 
BMW Z4 in California, United States
Feb 2010 - Jun 2011
Apr 2010

28000 mi
passenger side power window and same side cup holder. 
BMW Z4 in New Jersey, United States
Nov 2009 - Jun 2011
Aug 2010

46000 mi

US $4200
antennae for gps had to be replaced 

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2006 BMW Z4 2dr Convertible

255-horsepower 3.0L I6 6-speed manual RWD

BMW Z4 in Virginia, United States
Jul 2009 - Oct 2012
Aug 2009

23900 mi
Replace Xenon headlight control unit - under warranty 
Apr 2010

34800 mi
Thumping sound when exit/enter a driveway. Caused by loose mounting bolts on strut braces. 
Jul 2010

39000 mi
Replaced bad motor for power window Replaced bad motor for convertible top 
Jun 2011

50000 mi

US $100
A/C did not cool properly. Shop could not find leak and added refrigerant. 
Feb 2012

54000 mi

US $1400
DSC computer crapped out & needed replacement 
BMW Z4 in Pennsylvania, United States
Mar 2010 - Oct 2010
Jul 2010

23000 mi
Strut Tower brace became loose 
Sep 2010

26000 mi
Defective starter motor was replaced 
BMW Z4 in Pennsylvania, United States
Oct 2010 - Jul 2018
Jul 2018

51000 mi

US $322
One of the struts from the center of the firewall to the left shock tower cracked creating a maddening squeak when I drove. Thompson BMW in Doylestown Pa did a great job of diagnosing and repairing. Even gave me a rental as they kept it overnight. Overall, a minor repair. 
BMW Z4 in Iowa, United States
Feb 2016 - Mar 2018
Feb 2016

45000 mi

US $400
Zenon bulb actuator, left side. Also replaced bulb. 
BMW Z4 in Florida, United States
Mar 2010 - Jul 2014
Oct 2013

57300 mi

US $160
Coil replaced. 
BMW Z4 in Texas, United States
Aug 2009 - Mar 2011
Sep 2009

16700 mi
CUP HOLDER REPLACED 
Dec 2010

39000 mi
switch on clutch was replaced so engine could be started 

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2006 BMW Z4 2dr Convertible

215-horsepower 3.0L I6 6-speed shiftable automatic RWD

BMW Z4 in Florida, United States
Jul 2009 - Dec 2010
Dec 2009

33000 mi
Engine making ticking noise. All lifters and related parts replaced. Known problem 
May 2010

36000 mi
Replacement of vehicle head assembly 
BMW Z4 in California, United States
Aug 2009 - Jun 2018
Oct 2011

31000 mi
Convertible top does not work anymore. Motors and switches seem to work, but top no longer raises or lowers. Top needs to be removed for further examination. Very expensive to do that. 
Sep 2012

32000 mi

US $1100
Replaced convertible top pump and motor assembly. Not rusty as most are, just stopped working. 
Jul 2014

34200 mi

US $1035
Battery was not being charged properly. Alternator was not charging at low speed, but seemed to be charging at higer rpm. Alternator was replaced. Amount paid included alternator, labor and 2 hours charge for 'diagnosis'. 
Oct 2014

35200 mi
The very expensive alternator repair did not work. Battery was replaced as it was defective at 2+ years. Repair shop did not have a battery tester that could cycle batt. Maybe I did not need alternator!! O'Reilly had this batt. tester. 
Aug 2017

36953 mi

US $340
Left rear wheel bearing making noise. Replaced. Bearing was $95. Labor was $240. Also oil and filter change and attach lower engine cover with new one. 
BMW Z4 in Washington, United States
Jul 2009 - Jun 2018
Dec 2009

17000 mi
Two broken cupholders. 
Jan 2010

29800 mi
Replaced lifters to solve problem of ticking noise.  
May 2010

19000 mi
Ticking sound from engine after short trips. Head replacement approved and parts ordered. 
Jun 2010

22000 mi
head replacement to correct ticking sound 
Mar 2013

30000 mi
Starter pinion not always fully retracting causing noise on some start ups. 
BMW Z4 in Texas, United States
Oct 2009 - Feb 2010
Nov 2009

26000 mi
Valve tapping when cold. Shop replaced all exhaust side hydr. valve pushrods slow automatic transmission fluid leak. 
Feb 2010

27000 mi
Transmission still leaking when traded after two trips to repair it. 
BMW Z4 in Texas, United States
Apr 2012 - Sep 2016
Nov 2012

48800 mi

US $175
Had to replace battery, found a 3 year warrenty for 175.00 
Nov 2014

71600 mi

US $225
Replace lower control arm bushings 
Dec 2014

73000 mi

US $250
Car will not start replaced starter still same problem now have EML and check engine light. Will need to check trouble codes. 
Apr 2015

73700 mi

US $554
No start, shop found "EWS" module bad, had to order from BMW and reprogram. The longest time was waiting for part to arrive. Actual labor was less then 4 hours. 
Oct 2015

81500 mi

US $650
Car would wander and follow cracks in the pavement. Four wheel alignment and lower control arm bushings were replaced. Headlights would not come on after they had been on for a time, turned off, and turned back on. Found light ballast failing and replaced. 
BMW Z4 in Arizona, United States
Nov 2009 - Jun 2018
Jul 2010

28300 mi
Plugged condensation drain 
Dec 2013

38000 mi

US $378
Problem with battery reset after a battery replacement. Had problems getting the electrical system to respond. 
Mar 2017

47000 mi

US $2600
replace convertible top hyd pump due to water damage from plugged drain that is not accessible without removing top. 
BMW Z4 in Saskatchewan, Canada
Jun 2013 - Sep 2016
Sep 2014

29760 mi

C $1000
Problem with add-on soft top module. Removed and issues went away. 
BMW Z4 in California, United States
Jan 2012 - Apr 2017
Sep 2016

77000 mi

US $20
I couldn't start the car intermittently; I would jump the battery and it would start or so I thought! I bought a new battery but the problem persisted. It turned out to be a failing ignition coil which I replaced with one I bought on ebay. 
Nov 2016

78000 mi

US $500
The water pump failed which required replacement of the pump, thermostat, and coolant reservoir. 
BMW Z4 in Florida, United States
Feb 2017 - Apr 2018
Apr 2017

83000 mi
Leaking valve cover 
Apr 2018

95000 mi

US $115
Lower Control arm and bushings. Both sides 

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2006 BMW Z4 2dr Convertible

215-horsepower 3.0L I6 6-speed manual RWD

BMW Z4 in Pennsylvania, United States
Aug 2009 - May 2011
Oct 2009

28000 mi
drain for convertible top motor clogged, water damaged motor, needed to be replaced. 
BMW Z4 in Ontario, Canada
Nov 2013 - Jun 2018
Nov 2014

21800 mi

C $105
Replaced original 8 year old battery (it was getting weak and a load test showed 50%). Bought a Costco battery for $105, reset clock, all done. 
BMW Z4 in Indiana, United States
Apr 2011 - Jun 2011
May 2011

34300 mi

US $50
driver side window regulator went bad, required replacement. driver side window regulator went bad, required replacement. 
Jun 2011

36000 mi

US $50
Head was replaced due to ongoing lifter tick problem, covered under CPO warranty. Head was replaced due to ongoing lifter tick problem, covered under CPO warranty. 
BMW Z4 in North Carolina, United States
Oct 2009 - Jan 2016
Aug 2010

21000 mi
Hydraulic motor for convertible top is toast, needed replacing. 
Sep 2010

18000 mi

US $50
The right rear wheel had a crack in the rim, causing tire to lose pressure. Unclear what caused the crack. Dealer surprised. Said never saw this without something catastrophic having happened to the wheel.  The hydraulic motor on the convertible top went out, still under extended warranty so the cost was only $50 which was the stated deductible. 
Feb 2013

41700 mi

US $2700
The door lock on passenger side did not engage if a key was used. The part came from Germany and the door had to be taken off since some of the old lock cylinder feel inside the door The bushings were wearing out, the car is 7 years old 
Nov 2013

50000 mi

US $1500
The hydraulic motor went out 
Nov 2014

59000 mi

US $1900
The engine's fan started to run after being turned off, then a day later the engine thermostat was in the 'red' area 
Mar 2015

62000 mi

US $3700
The dynamic Stabilizer unit went bad 
Jan 2016

41000 mi

US $5000
the ball joint was about to go out, never been fixed before in 9.5 years 
BMW Z4 in North Carolina, United States
Feb 2010 - Jun 2011
Apr 2010

24000 mi
Pressure plate failure 
BMW Z4 in California, United States
Aug 2009 - Jun 2012
Sep 2009

13000 mi
Valve lifter problem 
Jan 2010

14000 mi
Valve noise, BMW performed hydraulic valve "flush" per an TSB. 
Nov 2011

19200 mi
Replace valve lifters.....ticking noise when cold or after short trips 
BMW Z4 in Ontario, Canada
Jul 2009 - Nov 2013
Aug 2009

24180 mi
The passenger cup holder broken - was replaced under warranty - dash "wood" cracked - replaced under warranty - also did a "low mileage" oil change under the free maintenance policy 
Jan 2012

32240 mi

C $50
one rear spring was broken - repaired for $50 under certified warranty 

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2006 BMW Z4 Repair Histories

See our lemon odds and nada odds page to see vehicles with no repairs or vehicles with more than three repairs. To see how frequently 2006 BMW Z4 problems occur, check out our car reliability stats.