BMW iX 2022 — technical service bulletin
Bulletin B540322 · NHTSA communication 10227556 · issued Oct 1, 2022
Technical service bulletin
communication type
Structure
component
2022
model years
1
vehicle entries
Official summary
A buzzing sound is heard in the Sky lounge roof while driving 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.