BMW 328I 2013–2015 — technical service bulletin
Bulletin B512616 · NHTSA communication 10146894 · issued Oct 1, 2016
Technical service bulletin
communication type
Structure
component
2013–2015
model years
8
vehicle entries
Official summary
DOOR FRAME TRIM DAMAGED. Door seal on the A-Pillar is damaged near exterior mirror. Mirror base gasket protrudes and interferes with door seal.
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.