BMW 428I 2014–2017 — technical service bulletin
Bulletin B510816 · NHTSA communication 10151177 · issued Mar 1, 2016
Technical service bulletin
communication type
Visibility
component
2014–2017
model years
11
vehicle entries
Official summary
Edge Protection Trim Is Scratched. The outside edge protector (B-pillar), where the rear edge of the front door glass makes contact, is scratched. Front window glass is out of adjustment
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.