WHEN THE RIGHT AND LEFT WHEELS RUBBED AGAINST THE PAVEMENT THE DRIVER'S SIDE IMPACT AIR BAG DEPLOYED. *PH THE DRIVER LOST CONTROL OF THE VEHICLE AND CRASHED HEAD ON INTO CONCRETE BLOCKS. THE FRONTAL AIR BAGS DID NOT DEPLOY. THE MANUFACTURER WAS CONTACTED AND STATED THAT THEY RE-EXAMINED THE MATTER AND CONFIRMED THAT THE AIR BAG SYSTEM PERFORMED AS DESIGNED WHEN THE VEHICLE HIT THE CONCRETE BLOCKS AND CLOSED THE MATTER (BMW M3). *NM *JB