BMW 430I 2022–2023 — technical service bulletin
Bulletin B120522 · NHTSA communication 10233155 · issued Feb 1, 2023
Technical service bulletin
communication type
Electrical System
component
2022–2023
model years
6
vehicle entries
Official summary
A bearing in the front electric drive unit could fail due to a manufacturing defect, resulting in a noise while driving.
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.