

Engine (30%)
Transmission and Drivetrain (7%)
Brakes and Traction Control (7%)
Suspension and Steering (16%)
Electrical and Air Conditioning (13%)
Paint, Rust, Leaks, Rattles, and Trim (21%)
Other (4%)
$2500+ (39%)
$1000 - $2499 (61%)
$500 - $999 (0%)
$100 - $499 (0%)
< $100 (0%)
turbocharged 382hp 3.0L I6 8-speed shiftable automatic RWD
15000 mi US $1049 |
Needed a new steering knuckle & camber adjustment mechanism due to an encounter with a rock on the road. Diagnosed when front end camber could not be aligned in spec. |
turbocharged 300hp 3.0L I6 7-speed automated manual RWD
US $1200 | I got stranded with the hard top stuck when opening. Cause was a broken wire to one of the many sensors. Diagnostic and soldering it back cost over 1k. |
33000 mi US $9200 |
Transmission shut down. Took dealer over a week to diagnos. Repair took several weeks. Out of warranty by years, not mileage. BMW shared half cost of repair. Couldn't trust car after this. Traded it in. After much deliberation, they think it was megatonics unit. Repair cost $4600 after BMW paid half. Very distressing with such low mileage |
330-horsepower 3.2L I6 6-speed manual RWD
16326 mi $1200 |
Xenon light control unit replaced |
18000 mi US $1600 |
Drivers seat spring failure. Oil analysis discovered that the connecting rod bearings were worn (43PPM lead). This is a known issue on the S54 engine. |
255-horsepower 3.0L I6 6-speed shiftable automatic RWD
45000 mi US $500 |
Soft top would not operate. |
55000 mi US $2500 |
Soft top closing not operating. Relaxed motor and hydraulic hoses. Convertible top would not go up. Replaced motor and hydraulic hoses. |
56000 mi US $3400 |
DSC unit failed. |
Engine not specified
12000 mi US $3500 |
Stability Control Box went bad, had to be replaced BMW Emblem/Lock on trunk crooked |
330-horsepower 3.2L I6 6-speed manual RWD
71000 mi US $600 |
Broken motor mount, passenger side. |
78600 mi US $1800 |
replaced rod bearings |
33000 mi US $500 |
Alignment was done but the job was not completed properly and the bolts was not screwed back down so they all cams lose on the road. |
58000 mi US $1900 |
Rear mounts |
330-horsepower 3.2L I6 6-speed manual RWD
49000 mi US $1200 |
Convertible top would not go down after pulling from winter storage. Electric/hydraulic motor had seized. Water in the case. Had to replace motor. Convertible top motor failed (water in the case). Replaced motor. |
98000 mi US $869 |
Misfire on cylinder 6. Car running very rough. Replace all plugs and coils (typical of a 100k mile service) |
102000 mi US $350 |
Right side motor mount and one of the two bolts broke. |
103000 mi US $500 |
Diagnose intermittent alternator operation. Fails when hot. Owner decided to drive on battery and self-repair later. Swapped in good battery and drove the ~150 miles home. |
108000 mi US $408 |
Replaced the alternator, and the two related accessory belts |
79980 mi C $1800 |
OEM battery finally failed die to age and faulty alternator. Driveability severely affected, cruise inoperative, on board computer constantly resetting, multiple dash lights randomly illuminated, noticeable hesitation and finally stalling completely. Battery completely discharged. Replaced battery and no improvement. Alternator output appropriate voltage couldn't check regulator board but dash voltmeter extremely erratic. Alternator replaced and the random failures have left the electrical system. |
255-horsepower 3.0L I6 6-speed manual RWD
40000 mi US $3800 |
ABS Braking System. ABS Module and Hydraulic Pump replaced due to failure. |
34000 mi US $3540 |
ABS sensor light came on. Dynamic Stability Control module failed. No repair attempted, as estimate for replacement was ridiculously high Belt tensioner leaking, replacement advised. Did not repair at this time. Control arm bushings worn, replacement advised, cost estimate $630. |
34200 mi US $2695 |
Control arm bushings worn and replaced belt tensioner leaking and was replaced. Dynamic Stability Control module failed. ABS light was on, loss of ABS system. Replaced module, Estimate for repair was $3500, BMW NA authorized goodwill out-of-warranty repair, cost to owner was $1289. |
89000 mi US $700 |
Audible clunking coming from differential area. Driveshaft had to be dropped to allow lubrication of coupling. Completed inspection II. Audible clunking coming from differential area. Driveshaft had to be dropped to allow lubrication of coupling. |
113000 mi US $913 |
Water pump failed. Pump is electrically boosted, and this wasn't achieving proper speed, resulting in engine overheating. Thermostat was replaced for good measure, because it has to be removed anyway to get to the pump. |
141000 mi US $1684 |
Clutch replacement. It was starting to slip. With 140k miles on it, I concluded it was starting to wear out and opted to replace. |
215-horsepower 3.0L I6 6-speed shiftable automatic RWD
62000 mi US $1300 |
Transmission pan leaking Coil springs rear replaced |
64500 mi US $100 |
Cable making noise |
66000 mi US $150 |
Solenoid dirty, cleaned and changed oil |
215-horsepower 3.0L I6 6-speed manual RWD
73000 mi US $3500 |
This trip was a game changer... Transmission leak, Cam timing thingy, Sensor leak, Inspection II, and the power top motor died. The dealer failed to inform me that the drain system for the top needed to be checked occasionally. |
89000 mi US $1500 |
Oil leaking from the valve cover. Replaced gasket, didn't solve the problem. Replaced the entire valve cover. |
90000 mi US $200 |
Replaced lower control arm. Replaced coolant expansion tank. |
95000 mi US $1500 |
Water pump failed, replaced pump, thermostat, and a hose. |
330-horsepower 3.2L I6 6-speed manual RWD
61000 mi US $1800 |
Constant Oil Pressure Valve leak. Rear differential seals leaking, A/C belt cracked - after 4 years of ownership. |
64000 mi US $900 |
Power window regulator broken, repaired by dealer. |
92000 mi US $500 |
Loose suspension parts |
92200 mi US $1500 |
Airbag light came on. |
255-horsepower 3.0L I6 6-speed shiftable automatic RWD
66000 mi US $1150 |
replaced front lower control arms and bushings |
78800 mi US $150 |
replaced coil cylinder #5 |
102800 mi US $1200 |
new radiator resevoir hoses theromstat and water pump |
107200 mi US $525 |
replaced starter |
255-horsepower 3.0L I6 6-speed manual RWD
60000 mi US $475 |
Replaced air mass sensor |
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. |
65200 mi US $870 |
Expansion tank exploded, dumping all coolant. Probably result of faulty cap. |
330-horsepower 3.2L I6 6-speed manual RWD
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. |
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. |
56000 mi US $401 |
Car will stall on cold starts and sometimes while sitting after warmed up. Drive belts had some visible cracks. |
104000 mi US $5200 |
Cracked VANOS hub, replaced. Hoses, o2 sensors, replaced inspection 1 and 2 items |
65500 mi US $780 |
Replace passenger-side broken engine mount bolts, engine mount bracket and rubber mount seats. |
70000 mi US $300 |
Dead battery |
72300 mi US $2000 |
Oil cooler leaking. |
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. |
81300 mi US $200 |
Broken shift knob. Cracked third brake lamp. Sun damaged M badge. |
255-horsepower 3.0L I6 6-speed shiftable automatic RWD
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 |
46000 mi US $4200 |
antennae for gps had to be replaced |
48200 mi US $1700 |
pump to raise and lower the convertible top went out |
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 |
66000 mi US $1200 |
Loose steering Convertible top won't go down again - previously repaired by box for $1800. |
90000 mi US $150 |
Replaced battery |
28000 mi US $2000 |
Convertible roof motor needed replacement. |
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. |
52000 mi US $4000 |
New battery New CRC?? SRC? computer Headlight starter |
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. |
255-horsepower 3.0L I6 6-speed manual RWD
50000 mi US $100 |
A/C did not cool properly. Shop could not find leak and added refrigerant. |
54000 mi US $1400 |
DSC computer crapped out & needed replacement |
215-horsepower 3.0L I6 6-speed shiftable automatic RWD
29760 mi C $1000 |
Problem with add-on soft top module. Removed and issues went away. |
38000 mi US $378 |
Problem with battery reset after a battery replacement. Had problems getting the electrical system to respond. |
47000 mi US $2600 |
replace convertible top hyd pump due to water damage from plugged drain that is not accessible without removing top. |
32000 mi US $1100 |
Replaced convertible top pump and motor assembly. Not rusty as most are, just stopped working. |
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'. |
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. |
215-horsepower 3.0L I6 6-speed manual RWD
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 |
50000 mi US $1500 |
The hydraulic motor went out |
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 |
62000 mi US $3700 |
The dynamic Stabilizer unit went bad |
41000 mi US $5000 |
the ball joint was about to go out, never been fixed before in 9.5 years |
225-horsepower 3.0L I6 6-speed manual RWD
96000 mi US $500 |
Coolant overflow tank. |
96000 mi US $1400 |
Oil lines, oil filter housing |
225-horsepower 3.0L I6 6-speed automated manual RWD
49000 mi US $500 |
Spark plugs all six blew |
50800 mi US $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. |
70000 mi US $8000 |
Engine fell out, pistons and headers all needed work. This was the worst damage they have ever seen. |
100000 mi US $8000 |
Another year another engine. It fell out again on the interstate. Hopefully it stays in this time. |
225-horsepower 3.0L I6 5-speed shiftable automatic RWD
25000 mi US $2500 |
electric steering motor failure required replaced of entire steering column and lower steering link |
22000 mi US $1200 |
Crack in rear alloy wheel required replacement of wheel and tire. |
57000 mi US $268 |
Crumpled heat shield around exhaust caused harmonic rattle. Replaced heat shield. |
68000 mi US $1610 |
Low oil light lit after engine shutdown. Diagnosed as faulty oil level sensor. Replaced sensor. |
82000 mi US $1500 |
Stripped plastic gears in seat base made adjustment functions inoperable. Overnighted new seat base from inventory. Installed new part. Restored seat functions. |
102080 mi US $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. |
84000 mi US $675 |
Replaced starter Valve cover gasket has small leak |
97000 mi US $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. |
102388 mi US $406 |
As part of the repair, I also had to replace valve cover gasket. Replaced leaking oil filter gasket |
113009 mi US $306 |
Replace coils and sparkplugs |
115330 mi US $811 |
Replaced leaking oil pan gasket. Replaced cracked air intake boot. |
116496 mi US $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 |
175000 mi US $1000 |
I had problems starting the vehicle. I had starter replaced. |
43000 mi US $180 |
Replaced thrust arm bushing on front control arms. |
76000 mi US $350 |
Car was not stable while driving. Replaced control arms and related bushings. |
78000 mi US $250 |
Starter failed, repaired starter. |
82700 mi US $300 |
Steering was loose, replaced entire tie rod assembly. Suspension was loose, replaced sway bar end link. Suspension was loose, replaced stabilizer bar bushings. |
84500 mi US $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. |
94800 mi US $1200 |
All shocks and struts were worn out. Replaced all shocks and struts and associated mounting hardware. |
72300 mi US $7000 |
starter replaced |
73000 mi US $800 |
bearings were removed and replace form all 4 front and rea rods |
79000 mi US $1400 |
differential, coolant, and brake fluid flush and change, upper and lower radiator hoses replaced radiator expansion tank replaced |
184-horsepower 2.5L I6 5-speed shiftable automatic RWD
56000 mi US $1200 |
Top motor needed to be replaced. |
44200 mi US $350 |
dead/dying battery. Installed new battery. |
49000 mi US $300 |
Relaxed seat belts receiver end broken |
50000 mi US $360 |
Clouded side mirror |
42000 mi US $2100 |
replaced hydraulic pump for convertible top |
42000 mi US $150 |
Replaced battery |
225-horsepower 3.0L I6 6-speed manual RWD
26102 mi C $300 |
Battery replaced |
37300 mi C $500 |
Control arm bushings replaced Valve cover gasket replaced |
40300 mi C $1200 |
Change belt - cracks observed and change water pump (anticipatory) |
40693 mi C $1643 |
replace roof motor assembly that raises and lowers convertible top |
70000 mi US $549 |
Left rear wheel bearing was growling and was replaced |
80000 mi US $2400 |
Bushings for rear suspension Lower right front control arm replaced. |
225-horsepower 3.0L I6 5-speed shiftable automatic RWD
53000 mi US $700 |
Auto dimming rear view mirror broke |
63200 mi US $450 |
Thermostat housing |
70200 mi US $4300 |
Hydraulics for convertible top quit working Instrument cluster panel |
76000 mi US $100 |
Hydrolics for conververtible top |
53000 mi US $500 |
replaced worn accessory belts. Right headlight burned out |
54000 mi US $1000 |
Coolant leak. Replaced radiator, and expansion tank. |
63000 mi US $200 |
FRONT LOWER BODY PANEL HAD SEPARATED FROM THE FRAME. NEW CLIPS WERE REQUIRED TO RE-ATTACH IT. |
76000 mi US $235 |
Left headlight failed, and was replaced. Also diagnosed two oil leaks, one from valve cover, and one from the oil pan. |
78000 mi US $1000 |
Oil leak. Oil pan gasket replaced. |
184-horsepower 2.5L I6 5-speed shiftable automatic RWD
160000 mi US $10000 |
Engine overheated and had to be completely replaced. |
76600 mi US $945 |
Airbag sensor coded. Replaced driver side B-Piller Airbag Satellite Sensor Replaced one coil pack and all 6 spark plugs |
81126 mi US $1475 |
Top will not automatically go to down/up. Possible hydraulic or electric motor failure. Replaced Hydraulic Pump. |
81300 mi US $1228 |
Lower intake boot cracked. Coded P0171 lean fuel trim. Replaced lower intake boot. |
83541 mi US $618 |
Starter failed. Replaced. |
184-horsepower 2.5L I6 5-speed manual RWD
132200 mi US $1025 |
Oil pan gasket bad Vacuum leak |
133000 mi US $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. |
134000 mi US $180 |
Battery ultimately failed, still no cause of phantom power draw. |
35000 mi US $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". |
Engine not specified
47120 mi A $1000 |
starter motor stopped working. couldnt start the car. |
225-horsepower 3.0L I6 6-speed manual RWD
26000 mi £150 |
Rear coilover springs x2 |
44000 mi £1220 |
Electric Hood motor |
45600 mi £500 |
Fuel pump failed on freeway. Fuel pump failure. Scary.. |
46000 mi £350 |
Driver Side Window Regulator |
73000 mi US $450 |
Oil filter housing was cracked and leaking. had to be replaced. |
88000 mi US $2500 |
Convertible top motor failed. Replaced motor and all new hydraulics |
89000 mi US $150 |
Front window seals and plastic wiper covers were rotting due to age. Replaced. |
92400 mi US $250 |
Thermostat failed Ignition coil failure |
94300 mi US $280 |
coolant overflow tank cracked resulting in loss of coolant |
17000 mi US $3500 |
Replaced steering column due to binding. |
225-horsepower 3.0L I6 5-speed shiftable automatic RWD
45000 mi US $2800 |
Hydraulic pump for top failed. |
31000 mi ﷼2700 |
Replacement of fuel injection - 6 nozzles |
27000 mi US $1534 |
Convertible top motor went out. |
25000 mi US $300 |
|
25300 mi US $7000 |
Three wheels cracked, and tires required replacing. |
36000 mi US $327 |
Replaced headlights due to fogging. |
40000 mi US $121 |
Replaced windshield molding and cowl cover due to cracking and deterioration. |
43000 mi US $132 |
Replaced starter motor. |
47000 mi US $1500 |
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. |
53000 mi US $175 |
Replaced the Battery. It was 2 months shy of 5 years old and would not take a charge. |
184-horsepower 2.5L I6 6-speed automated manual RWD
76000 mi US $1200 |
New electric motor to raise/lower convertible top |
61000 mi US $475 |
Main gasket around front windshield had aged in the sun |
136800 mi US $3798 |
transmission rebuilt,rear oil seal on engine replaced |
81000 mi US $115 |
Replaced Third Brake light which had cracked |
86000 mi US $1200 |
climate control module replaced |
184-horsepower 2.5L I6 5-speed shiftable automatic RWD
71000 mi US $1400 |
Windshield washer pump replaced. Power top motor had to be replaced. |
72300 mi US $250 |
Molding above & below windshield was deteriorated. I had them replaced |
76000 mi US $300 |
cooling system leak. Had radiator replaced |
81000 mi US $170 |
replaced |
75200 mi US $300 |
Engine mounts replaced |
77000 mi US $1000 |
Bushings and suspension arm replaced along with Alignment n oil change |
184-horsepower 2.5L I6 5-speed manual RWD
83000 mi US $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 |
83000 mi US $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 |
94000 mi US $200 |
Disa valve |
99000 mi US $1000 |
Engine oil filter housing "o" ring replaced due to a leak Transmission shaft and linkage seal replaced due to a leak |
82000 mi US $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. |
77300 mi US $1500 |
front bushings convertible top motor |
87400 mi US $1500 |
bushing replacement Top Motor |
99000 mi US $150 |
Coolant expansion tank leak (common failure, expected at 100k mi per BMW). |
115000 mi US $175 |
Replaced failed coil. |
132000 mi US $2300 |
Stability control unit went, needed a new unit installed, software update |
134000 mi US $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 |
84000 mi US $790 |
Leaking Radiator |
105300 mi US $247 |
Bad starter motor |
110000 mi US $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. |
119000 mi US $1100 |
replace cracked Thermostat housing and all cooling hoses and serpentine belt |
62000 mi US $1600 |
Convertible top motor and drive belt replacement |
63900 mi US $145 |
Replaced cooling expansion tank and hoses |
68000 mi US $1500 |
Convertible top motor leaking fluid. Replaced seals for hydraulic lines. |
69000 mi US $200 |
Replaced DISA in intake. |
71300 mi US $1000 |
HVAC control panel was replaced Seat sensor not working causing airbag light |
72000 mi US $530 |
replaced front control arms including ball joints and control arm bushings as well as sway bar end links |
74300 mi US $975 |
replaced oem suspension with aftermarket coilover and shock/springs |
99800 mi US $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 |
165300 mi US $3000 |
Bad fuel injectors. All replaced. Leak in coolant fluid lines Engine thermostat faulty, replaced. |
165000 mi US $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. |
177700 mi US $2500 |
complete transmission rebuild due to a small tranny leak that was left unattended (since 11/2012) |
199000 mi US $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. |
216000 mi US $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) |
229000 mi US $1490 |
removed and replaced differential bearings progressive oil leak required the valve cover gasket to be removed and replaced |
255000 mi US $142 |
Removed & replaced cracked upper radiator hose (OEM) |