One problem related to software has been reported for the 2008 BMW 135. The most recently reported issues are listed below.
The contact owns a 2008 BMW 135i. While driving approximately 50 mph, the engine loss power with the illumination of the warning indicator. The vehicle restarted in the low power mode. The vehicle was taken to an authorized dealer for diagnosis. The computer software was updated and replacement of the fuel pump. The vehicle exhibited poor acceleration performance after the repair. The vehicle was taken back to the dealer and they informed that the vehicle experienced a turbo lag which was associated with the newly installed fuel pump. The failure continued to occur. The failure mileage was 2,000. Updated 01/13/11 updated 01/24/11.
| Electrical System problems | |
| Software problems | |
| Wiring problems |