BMW 320I 2012–2013 — technical service bulletin
Bulletin 613212 · NHTSA communication 10149607 · issued May 1, 2013
Technical service bulletin
communication type
Electrical System
component
2012–2013
model years
6
vehicle entries
Official 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
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.