BMW 428I 2012–2016 — technical service bulletin
Bulletin B520116 · NHTSA communication 10151264 · issued Apr 1, 2016
Technical service bulletin
communication type
Seats
component
2012–2016
model years
24
vehicle entries
Official summary
Front Seat Backrests Vibrates on Rough Roads. Both front seat backrests vibrate and rattle while driving over rough roads with the seat in an unloaded condition (no pressure applied on the backrest). Play at the inner backrest pivot point.
Vehicles covered
- 2014 BMW 428I
- 2015 BMW 428I
- 2016 BMW 428I
- 2014 BMW 435I
- 2015 BMW 435I
- 2016 BMW 435I
- 2012 BMW 640I
- 2013 BMW 640I
- 2014 BMW 640I
- 2015 BMW 640I
- 2016 BMW 640I
- 2012 BMW 650I
- 2013 BMW 650I
- 2014 BMW 650I
- 2015 BMW 650I
- 2016 BMW 650I
- 2015 BMW B7 Alpina
- 2016 BMW B7 Alpina
- 2015 BMW M4
- 2016 BMW M4
- 2013 BMW M6
- 2014 BMW M6
- 2015 BMW M6
- 2016 BMW M6
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.