1991-1997 BMW 8-Series: Reliability
Updated: 11/23/08
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Our reliability study for this generation BMW 8-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 8-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.
Air conditioner:
The air conditioner compressor will shut down if the belt slips, which can occur after driving through a puddle and can be fixed by bypassing the A/C lock sensor control module. (1990-92)
Dashboard lights:
Several problems with the hazard warning lights and turn signals activating by themselves, not blinking, etc. have been traced to problems with the flasher relay or the crash-sensor control module. (1992-95)
Poor transmission shift:
The synchronizers in six-speed manual transmission get damaged if anything other than Dexron II automatic transmission fluid is used, causing notchy shifting. (1990-97)
Rough idle:
Engine may idle too high or run poorly (accompanied by a check engine light) due to vacuum leaks in the manifold gasket and/or leaking vacuum plugs on the fuel pressure regulator. (1997)
Rough idle:
Engine idles rough due to knock sensor picking up noise from water pump chatter when transmission is in drive and the air conditioning is on. (1997)
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 | $815 |
| Alternator | $925 |
| Automatic Transmission or Transaxle | $810 |
| Brakes | $800 |
| Clutch, Pressure Plate, Bearing | $980 |
| Constant Velocity Joints | $1,500 |
| Exhaust System | $890 |
| Radiator | $720 |
| Shocks and/or Struts | $1,500 |
| Timing Chain or Belt | $415 |
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