BMW 428I 2014–2016 — technical service bulletin
Bulletin B512515 · NHTSA communication 10147874 · issued Dec 1, 2015
Technical service bulletin
communication type
Structure
component
2014–2016
model years
8
vehicle entries
Official summary
Groaning noise from A-pillar Door Stops. A groaning noise can be heard from the A-pillar area near the front door stop when one of the front doors is opened, or when the vehicle is driven on rough roads. CAUSE The bolted connection for the lower hinge at the area of the A-pillar is loose, or can flex causing a groaning noise.
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.