TL* THE CONTACT OWNS A 2011 BMW Z4. THE CONTACT STATED THAT WHILE DRIVING 30 MPH, THE VEHICLE BEGAN TO SHAKE VIOLENTLY. THE CONTACT APPLIED THE BRAKES BUT THE VEHICLE DID NOT DECELERATE. THE CONTACT MANEUVERED THE VEHICLE TO CRASH INTO A CURB IN ORDER TO GET IT TO STOP. THE CONTACT WAS NOT INJURED. THE VEHICLE WAS TOWED TO A DEALER FOR DIAGNOSIS BUT THE CONTACT WAS NOT INFORMED OF WHAT CAUSED THE SHAKING OR BRAKING FAILURE. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE VEHICLE WAS REPAIRED. THE FAILURE AND CURRENT MILEAGE WAS 33,000.