2004-2008 BMW X3: Reliability
Updated: 11/23/08
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Our reliability study for this generation BMW 3-Series includes details on average repair costs, manufacturer recalls, and everything you need to know to gauge the long-term reliability of this generation BMW 3-Series .
Trouble Spots
Consumer Guide's® Auto Editors have scoured repair bulletins and questioned mechanics to search
for commonly occurring problems for a particular vehicle. In some cases we also give possible manufacturer-suggested
solutions. In many instances these trouble spots are Technical Service Bulletins posted by the manufacturer,
however, we have our own expert looking at additional vehicle problems.
Battery:
The battery may die overnight if the key is left in the ignition on vehicles with electronic immobilizer system. (2004-06)
Battery:
Battery can die after parked for 3-4 days most likely due to problem in general module (body control module). (2004)
Electrical problem:
The transmission may intermittently revert to fail-safe mode due to multiplexing problem requiring reprogramming. (2005-06)
Engine noise:
Engine may ping under light load, idle too high or stumble on acceleration until warm requiring ECM reprogramming. (2005-07)
Engine stalling:
The engine may run rough or miss (the check engine light may also come on) due to problems with the original ignition coils and the carmaker is replacing them with Bosch coils. (2004 and prior)
Engine temperature:
Engine may lose power at high altitudes (over 5,000 ft.) during hot weather due to vapor lock inside the fuel pump. (2004)
Headlights:
Automatic headlights may not go off when exiting a tunnel or parking garage due to miscommunication between rain sensor and headlight module. (2005-06)
Information stickers/paperwork:
When the outside temperature drops below freezing (32F) the telematics control unit may malfunction and emergency "SOS" calls will not go through. The battery may also be drained. To make sure the recall was performed, look for the sticker on the door frame. (2004)
Sunroof/moonroof:
The sunroof may not close in hot weather or after being parked in direct sunlight because the channels expand and get tight and the anti-trap sensors stop the motor. (2003-04)
Consumer Guide® Estimated Repair Costs
This table lists costs of likely repairs for comparison with other vehicles. The
dollar amount includes the cost of the part(s) and labor (based on $50 per hour) for the
typical repair without extras or add-ons. Like the pricing information, replacement
costs can vary widely depending on region. Expect charges at a new-car dealership
to be slightly higher.
| Item Name | Repair Cost |
| A/C Compressor | $870 |
| Alternator | $560 |
| Automatic Transmission or Transaxle | $4,605 |
| Brakes | $670 |
| Clutch, Pressure Plate, Bearing | |
| Constant Velocity Joints | $1,010 |
| Exhaust System | $850 |
| Radiator | $650 |
| Shocks and/or Struts | $1,450 |
| Timing Chain or Belt | $980 |
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