The contact owns a 2011 BMW 328I. The contact stated that while coming to a stop the brake pedal was depressed; however, after releasing the brake pedal, the vehicle independently accelerated. The contact stated that on a separate occasion while coming to a stop in front of a garage, the brake pedal was slightly released and the vehicle accelerated independently and crashed into the garage door. The manufacturer was notified of the failure. The vehicle was taken to the dealer, but the dealer was unable to duplicate the failure. The failure mileage was 65,000.