TL*THE CONTACT OWNS A 2006 BMW X5. WHILE DRIVING 30 MPH, ANOTHER VEHICLE CRASHED INTO THE REAR OF THE CONTACT'S VEHICLE. THE BUMPER, MUFFLER, AND TRUNK WERE DAMAGED. THE DRIVER'S SEAT BELT FAILED AND RELEASED PREMATURELY. THE FRONT AIR BAGS FAILED TO DEPLOY. THE CONTACT WAS UNINJURED. THE VEHICLE WAS TOWED TO A LOCAL REPAIR SHOP AND REPAIRED. THE CONTACT HAS A COPY OF THE POLICE REPORT. THE MANUFACTURER COULD NOT PROVIDE AN EXPLANATION FOR THE FAILURES. THE FAILURE MILEAGE WAS 56,000 AND CURRENT MILEAGE WAS 56,500.