BMW 320I 2012–2014 — technical service bulletin
Bulletin 122212 · NHTSA communication 10149298 · issued Jan 1, 2013
Technical service bulletin
communication type
Electrical System
component
2012–2014
model years
10
vehicle entries
Official summary
Service Action: Program Control Units. When coming to a stop, there is the possibility of an unfavorable judder. This is due to the software parameters for downshifting and transmission clutch control. CAUSE Unfavorable vehicle software
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.