BMW TSB #613212

2012 BMW 328

You can still get the detailed info from BMW for this TSB. Call your local BMW dealer's service department & ask for a copy of TSB# 613212.

Summary: "REM: Various Electrical Faults in Rear of a Vehicle. Various electrical faults associated with the rear of the vehicle occur, including one or more of the following: * The REM (Rear Electronic Module) does not respond to diagnosis. * The one-touch function of the rear power windows is inoperative. * The rear power windows cannot be initialized. * The trunk lid cannot be opened. * The brake lights are not working (check control message ""Left/right brake light failed"" is displayed). * The rear turn indicator lights are not working (check control message ""Rear left/right turn indicator failed"" is displayed). One or more of the following faults are stored in the REM: * ""804805 Internal software control unit fault"" * ""804876 Turn indicator, rear left, faulty"" * ""804877 Turn indicator, rear right, faulty"" * ""804872 Brake light, left, faulty"" * ""804874 Brake light, right, faulty"" * ""30195 Window regulator, passenger's side door, rear: invalid characteristic curve, no normalization present"" * ""30115 Power window, rear door on driver's side: invalid characteristic curve, no normalization present"" * ""301A0 Window regulator on passenger's side door, rear: system is not normalized"" * ""30120 Power window, rear door on driver's side: system is not standardized"" CAUSE Rear power window drive(s) faulty"