BMW X1 2022–2024 — technical service bulletin
Bulletin B280224 · NHTSA communication 11000503 · issued May 24, 2024
Technical service bulletin
communication type
Power Train
component
2022–2024
model years
4
vehicle entries
Official summary
Micro-movements combined with frictional corrosion can increase wear on the longitudinal splined connection between the double clutch transmission (DCT) and the transfer box.
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.