BMW 530I 2017 — technical service bulletin
Bulletin B511317 · NHTSA communication 10146638 · issued Apr 1, 2017
Technical service bulletin
communication type
Visibility
component
2017
model years
4
vehicle entries
Official summary
WIND NOISE FROM REAR SIDE WINDOW. At highway speed, wind noise is heard from either rear side window. CAUSE Gap between the window guide and the window guide bar. Replace the window guide after verification of cause.
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.