BMW 428I 2015–2016 — technical service bulletin
Bulletin B510716 · NHTSA communication 10151104 · issued Feb 1, 2016
Technical service bulletin
communication type
Structure
component
2015–2016
model years
4
vehicle entries
Official summary
SUBJECT Noises from B-pillar Trim. Noise/rattle can occur from the left or right side interior B-pillar trim while driving Burred edge on the inside trim of the lower B-pillar
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.