BMW 328I 2013–2016 — technical service bulletin
Bulletin B512415 · NHTSA communication 10147250 · issued Sep 1, 2015
Technical service bulletin
communication type
Visibility
component
2013–2016
model years
16
vehicle entries
Official summary
Groaning Noise from the Exterior Mirror. A groaning noise is heard coming from the area around the outside mirror when opening and closing the door. The noise is more noticeable when the door is fully open to the end stop. CAUSE The outer front door weather strip rubs against the mirror housing.
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.