BMW X3 2018 — technical service bulletin
Bulletin B510318 · NHTSA communication 10135036 · issued Feb 1, 2018
Technical service bulletin
communication type
Structure
component
2018
model years
1
vehicle entries
Official summary
RATTLE NOISE FROM B PILLAR AREA WHILE DRIVING: A rattle noise can be heard in the lower B pillar area on either side while driving, mostly at highway speeds.
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.