I WAS DRIVING ON THE 95 SOUTH, BETWEEN EXIT 28 TO 39( WILLMINGTON AREA, MA) YESTERDAY ( 5/18/13) ABOUT 6:30PM. I WAS ON FAST LANE, DRIVING ABOUT 70 MPH, SUDDENLY THE CAR LOST POWER, THE DASHBOARD WARNING SIGN SHOWING POWER OUTPUT DOWN. THE SPEED OF CAR SUDDENLY DROPPED, I HAD TO PULL OVER TO BREAKDOWN LANE, BUT THE CARS BEHIND ME COULD NOT STOP QUICK ENOUGH, IT COLLIDED WITH MY BACK BUMPER, LUCKILY NO PERSONAL INJURY, AND THE CAR ONLY GOT SLIGHT SCRATCH. THANKS TO THE CARS BEHIND ME SLOWED DOWN IN TIME. IT WAS SO SCARE FOR ME, NEVER HAD SUCH THING AS LOSS OF POWER BEFORE ON HIGHWAY. THERE MUST BE SOMETHING WRONG WITH THE BMW ELECTRONIC DESIGN. TO AVOID OTHER ACCIDENTS, PLEASE INVESTIGATE THIS THOROUGHLY. IT COULD CAUSE FATAL RESULTS IF HAPPENS TO SOMEONE ELSE. THANKS. *TR