BMW 330I 2025 — technical service bulletin
Bulletin B512224 · NHTSA communication 11030306 · issued Mar 18, 2026
Technical service bulletin
communication type
Structure
component
2025
model years
10
vehicle entries
Official summary
On the main door seal, detachment behaviorcan be detected at the sealing joint . Over time, the seal gradually and increasinglydetaches which can cause it to- Dangle Become visible to the customer Prevent the door from closing properly
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.