This car is equipped with auto start/stop technology. on several occasions the car has completely stalled out and failed. the dealership has been notified of the issue with car, and has stated they are unable to duplicate the problem, and offer no remedy. after my car has been out of service for a whole host of issues to include transmissions, excessive brake noise and hesitation, engine misfiring as well as bluetooth and navigation system failure. these problems have been issues with my car since about 13,000 miles till now which is 40,220. bmw has denied issues with the car although recently they acknowledged the misfiring and the engine running hot and the malfunctions navigation unit.