The contact owns a 2020 BMW X5. The contact stated while driving at approximately 45 MPH, the vehicle stalled. The contact stated that START/STOP warning light was illuminated. The contact attempted to restart the vehicle but was unable. The contact had the vehicle towed to a dealer who diagnosed that the starter motor had failed and needed to be replaced. The vehicle was repaired. The manufacturer was not informed of the failure. The contact researched online and related the failure to NHTSA Campaign Number: 24V576000 (Electrical System, Engine and Engine Cooling); however, the VIN was not included. The failure mileage was approximately 31,000.