BMW 428I 2014 — technical service bulletin
Bulletin SIB511016 · NHTSA communication 10214956 · issued Jun 1, 2017
Technical service bulletin
communication type
Back Over Prevention
component
2014
model years
1
vehicle entries
Official summary
Groaning noise from doors. This service information bulletin replaces SI B51 10 16 Dated March 2016.
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.