Tl* the contact owns a 2008 bmw m3. the contact stated that the doors failed to unlock, the vehicle failed to start, and all the electrical components failed to function. the contact also stated that the battery was tested and was in working condition. the vehicle was not diagnosed or repaired. the manufacturer was contacted about the failure. the failure mileage was 16,000. updated 3/28/14*cn the consumer stated the battery was replaced. *jb