NHTSA Complaint #11701812 — 2024 BMW X3

I am reporting a safety defect involving a 2024 BMW X3 xDrive30i. The vehicle continued operating for several miles with no key inside the vehicle, and at no point did the car display a “Key Not Detected” warning, icon, or audible alert. Two minors were present during this incident. This indicates a failure of the key-recognition system, immobilizer logic, and associated warning functions. BMW’s safety system should detect the absence of the key and immediately warn the driver. Failure to issue a warning presents a significant safety hazard, as the driver may unknowingly operate the vehicle without the ability to restart, secure the car, or be alerted to a loss of security control. BMW Roadside Assistance documented the incident. BMW North America has not provided a case number, safety review, or written plan for addressing the defect despite multiple requests. This lack of response is concerning for a safety-critical malfunction. I am requesting NHTSA’s review of this defect and BMW’s handling of the matter.