BMW i4 2022–2026 — service campaign
Bulletin B121425 · NHTSA communication 11025830 · issued Dec 1, 2025
Service campaign
communication type
Steering
component
2022–2026
model years
11
vehicle entries
Official summary
In certain driving situations there can be a loss of traction or wheel slip followed by a throttle or torque requirement that can potentially damage the axle shafts. Damage of the drive shaft can cause it to break.
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.