BMW X3 2020–2021 — technical service bulletin
Bulletin B520122 · NHTSA communication 10214262 · issued Feb 1, 2022
Technical service bulletin
communication type
Seat Belts
component
2020–2021
model years
4
vehicle entries
Official summary
A groaning noise can be heard when accelerating and cornering from the area of the shoulder safety belt support(s). The complaint can occur in both the driver's seat and the front passenger seat.
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.