BMW 320I 2012–2013 — technical service bulletin
Bulletin 512212 · NHTSA communication 10162424 · issued Jul 10, 2019
Technical service bulletin
communication type
Structure
component
2012–2013
model years
6
vehicle entries
Official summary
Wind Noise from Front Door Window Seal by Side Mirror. The front window may have wind noise by the side mirror when driving. CAUSE The window guide seal is not properly fitted to the door.
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.