BMW M3 2008–2013 — technical service bulletin
Bulletin B612616 · NHTSA communication 10149256 · issued May 1, 2017
Technical service bulletin
communication type
Electrical System
component
2008–2013
model years
7
vehicle entries
Official summary
Interrupted supply of power to the vehicle. ? Initial vehicle entry / engine ignition may not function. ? Intermittent power failure during a journey may cause:o Instrument cluster flickering o Engine jerking. Plug-in contact of the positive battery cable, located at the front power distribution box has been damaged. ? Vehicle vibrations and frictional corrosion can cause a high current flow thru the wire. ? The excessive current draw causes damage to the battery positive cable plug contact.
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.