BMW 428I 2012–2018 — technical service bulletin
Bulletin B520919 · NHTSA communication 10163045 · issued Jun 1, 2019
Technical service bulletin
communication type
Seats
component
2012–2018
model years
36
vehicle entries
Official summary
CRACKING NOISE FROM SEAT BACKREST. Groaning/Cracking noises are heard from the front seat backrest when the vehicle is cornering.
Vehicles covered
- 2014 BMW 428I
- 2015 BMW 428I
- 2016 BMW 428I
- 2017 BMW 430I
- 2018 BMW 430I
- 2014 BMW 435I
- 2015 BMW 435I
- 2016 BMW 435I
- 2017 BMW 440I
- 2018 BMW 440I
- 2012 BMW 640I
- 2013 BMW 640I
- 2014 BMW 640I
- 2015 BMW 640I
- 2016 BMW 640I
- 2017 BMW 640I
- 2012 BMW 650I
- 2013 BMW 650I
- 2014 BMW 650I
- 2015 BMW 650I
- 2016 BMW 650I
- 2017 BMW 650I
- 2015 BMW B7 Alpina
- 2016 BMW B7 Alpina
- 2015 BMW M4
- 2016 BMW M4
- 2017 BMW M4
- 2018 BMW M4
- 2013 BMW M6
- 2014 BMW M6
- 2015 BMW M6
- 2016 BMW M6
- 2017 BMW M6
- 2017 BMW R 1200 GS Adventure
- 2017 BMW R1200 RT Police
- 2018 BMW R Nine T
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.