BMW M3 2022 — technical service bulletin
Bulletin B110721 · NHTSA communication 10204535 · issued Oct 8, 2021
Technical service bulletin
communication type
Power Train
component
2022
model years
4
vehicle entries
Official summary
MAIN BEARING SHELL.
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.