Tl* the contact owns a 2011 bmw x5. the contact stated that while driving approximately 10 mph on a slight incline, he attempted to park. while engaging the brakes, the pedal depressed to the floor and the vehicle continued to accelerate. suddenly, the vehicle jumped a curb and came to a stop. the vehicle was towed to two different authorized dealers for diagnosis, where both were unable to duplicate or determine the cause of failure. also, an engineer inspected the vehicle and provided no resolutions. the vehicle had remained at the dealer for six weeks. the manufacturer was made aware of the defect. the approximate failure mileage was 8,783.