NHTSA Complaint #11534537 — 2018 BMW X4

The contact owns a 2018 BMW X4. The contact stated that when she would stop the vehicle for a traffic signal, the vehicle would independently shift into park (P). The contact stated that the failure had started as an intermittent failure but had gradually become a recurring failure. The contact stated no warning light was illuminated. The contact stated that the failure had been the cause of a recent crash at a traffic signal. The contact's vehicle had slipped into park (P) when the signal light changed to green her vehicle did not move forward and the vehicle behind her crashed into the rear bumper. The contact stated that there was minor damage to the other vehicle's front bumper and no damage to her vehicle, both vehicle's were able to drive away. The contact had taken the vehicle to a local dealer after the first failures, where it was diagnosed and determined that the battery needed to be replaced. The vehicle had been repaired. The contact stated that she drove the vehicle back to the same dealer following the crash and the dealer diagnosed that the crank position sensor needed to be replaced. The vehicle had not been repaired. The manufacturer had been informed of the failure. The failure mileage was approximately 100,000.