BMW i4 2023 — technical service bulletin
Bulletin InVeh-InApp-Comm · NHTSA communication 11029009 · issued Feb 5, 2026
Technical service bulletin
communication type
Power Train
component
2023
model years
3
vehicle entries
Official summary
A manufacturing defect in a bearing of the electronic drive unit could result in bearing damage. This is caused by an unusual acoustic signal in the area of the drive unit. The bearing could fail completely at a later stage, which will be displayed to you by means of a red Check Control message. In this case, the driver is asked to call BMW Roadside Assistance.
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.