TL* THE CONTACT OWNS A 2005 BMW 325I. THE CONTACT STATED THAT WHILE DRIVING APPROXIMATELY 65 MPH, THE CONTACT HEARD A LOUD NOISE AND THE DRIVER'S SIDE DOOR AIR BAG PARTIALLY DEPLOYED WITHOUT WARNING. THE VEHICLE WAS MANEUVERED TO THE SIDE OF THE ROAD. THE CONTACT SUSTAINED AN INJURY TO THE RIGHT HAND. THE VEHICLE WAS TOWED TO AN AUTHORIZED DEALER WHO STATED THAT THE AIR BAG FUNCTIONED AS DESIGNED. THE VEHICLE WAS NOT REPAIRED AND THE MANUFACTURER WAS NOTIFIED. THE VIN WAS UNAVAILABLE. THE APPROXIMATE FAILURE MILEAGE WAS 140,000.