BMW X3 2024 — technical service bulletin
Bulletin B540525 · NHTSA communication 11024340 · issued Oct 8, 2025
Technical service bulletin
communication type
Structure
component
2024
model years
2
vehicle entries
Official summary
A “popping” sound is heard coming from the Roof/B-pillar area when driving over small driveway curbs.
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.