BMW 530I 2017 — technical service bulletin
Bulletin B510317 · NHTSA communication 10146542 · issued Feb 1, 2017
Technical service bulletin
communication type
Structure
component
2017
model years
3
vehicle entries
Official summary
?B-PILLAR WIND NOISE . While driving at highway speeds, wind noise can be heard from the rear of either or both front doors. Sealing lip of inner window cavity seal is bent as shown on left below. Seal placement should be as shown on right, parallel to green line.
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.