The official notice
Defect
BMW of North America, LLC (BMW) is recalling certain 2025 330i, 330i xDrive, 530i, 530i xDrive, 4 Series Coupe (430i, 430i xDrive), 4 Series Convertible (430i, 430i xDrive), 4 Series Gran Coupe (430i, 430i xDrive) and X3 30 xDrive vehicles. The electrical connection between the starter-generator and battery may come loose.
Safety Risk
A loose starter-generator connection can result in an engine stall, increasing the risk of a crash. In addition, the wiring may overheat, increasing the risk of a fire.
Remedy
Dealers will inspect and replace the starter-generator and positive battery cable as necessary, free of charge. Interim owner letters notifying owners of the safety risk were mailed May 28, 2025. Second letters will be sent once the remedy is available. Owners may contact BMW customer service at 1-800-525-7417.