BMW 228I 2012–2018 — technical service bulletin
Bulletin B520718 · NHTSA communication 10153704 · issued Dec 1, 2018
Technical service bulletin
communication type
Seats
component
2012–2018
model years
51
vehicle entries
Official summary
SEAT THIGH SUPPORT UPHOLSTERY IS PROTRUDING. The upholstery may dislodge slightly from the thigh support base over time from repeated compression due to normal use.
Vehicles covered
- 2014 BMW 228I
- 2015 BMW 228I
- 2016 BMW 228I
- 2017 BMW 230I
- 2018 BMW 230I
- 2013 BMW 320I
- 2014 BMW 320I
- 2015 BMW 320I
- 2016 BMW 320I
- 2017 BMW 320I
- 2014 BMW 328D
- 2015 BMW 328D
- 2016 BMW 328D
- 2017 BMW 328D
- 2012 BMW 328I
- 2013 BMW 328I
- 2014 BMW 328I
- 2015 BMW 328I
- 2016 BMW 328I
- 2016 BMW 330E
- 2017 BMW 330E
- 2017 BMW 330I
- 2012 BMW 335I
- 2013 BMW 335I
- 2014 BMW 335I
- 2015 BMW 335I
- 2016 BMW 335I
- 2017 BMW 335I
- 2016 BMW 340I
- 2017 BMW 340I
- 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
- 2013 BMW Activehybrid 3
- 2014 BMW Activehybrid 3
- 2015 BMW Activehybrid 3
- 2016 BMW M2
- 2017 BMW M2
- 2018 BMW M2
- 2014 BMW M235I
- 2015 BMW M235I
- 2016 BMW M235I
- 2017 BMW M240I
- 2018 BMW M240I
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.