BMW i4, Ix +1 more: High Voltage

Affects BMW i4, Ix, i7 · 2022–2023 — about 2K vehicles.

The hazard

Issue: On certain vehicles, a software problem could cause the high-voltage battery electronic control unit to reset. As a result, the high-voltage system could disconnect while driving. If this happens, there could be a sudden loss of power to the wheels. Note: If this happens, you may see a warning message on the instrument panel. Safety Risk: A loss of power to the wheels could increase the risk of a crash. Corrective Actions: BMW will notify owners by mail and instruct you to take your vehicle to a dealer to update the high-voltage battery electronic control unit software.

What to do

Contact your dealer; the remedy details were not included in the filing.

Critical — crash/injury risk now High — injury risk; see remedy Moderate — fix at next service Low — minor / informational