BMW Z4, M850I +6 more: Electrical system — software

Affects BMW Z4, M850I, 840I, 230I, M240I, M8, M2, Alpina B8 · 2022–2023 — about 3K vehicles.

The hazard

Unintentionally closing the windows or sunroof without the key present can increase the risk of injury to occupants inside the vehicle.

What to do

Dealers will update the software for the Electronic Control Unit (ECU), free of charge. In addition, the digital key function via cellular service and Wi-Fi capability will be deactivated until the vehicle is updated with new software. Owner notification letters are expected to be mailed April 11, 2023. Owners may contact BMW customer service at 1-800-525-7417.

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