2004-2008 BMW 6-Series: Reliability
Updated: 11/23/08
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Our reliability study for this generation BMW 6-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 6-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.
Check-engine light:
Engine may run rough accompanied by check engine light due to failure of camshaft position sensors. (2005-06)
Check-engine light:
The check engine light may illuminate accompanied by rattling sound from front of engine due to leak in oil line for variable valve timing system. (2004-07)
Convertible top:
The convertible top may not lower because a sensor in the rear window may not be reporting that the window is down. (2004)
Dashboard lights:
A "rollover protection fault" message may appear on the driver's information center due to a problem in wiring or connectors. (2005)
Electrical problem:
The electronic steering lock warning light may illuminate and/or the vehicle will not start if battery was low when starting. (2006)
Electrical problem:
The convertible top warning light is illuminated, indicating the top not fully open or closed, due to faulty sensor switch. (2005-06)
Electrical problem:
Night vision display malfunctions due to wiring harness damage near headlights. (2006-07)
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)
Tail/brake lights:
The lens for the center high-mounted stop lamp (CHMSL) may crack at the sides. (2005)
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 | $920 |
| Alternator | $820 |
| Automatic Transmission or Transaxle | $3,410 |
| Brakes | $1,410 |
| Clutch, Pressure Plate, Bearing | |
| Constant Velocity Joints | $1,450 |
| Exhaust System | $1,100 |
| Radiator | $945 |
| Shocks and/or Struts | $3,405 |
| Timing Chain or Belt | $1,350 |
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