STARTED X5 UP AND TURNED ON DRIVER 'S SEAT WARMER. LET CAR WARM UP FOR 5 MINUTES AND COMMENCED TO DRIVE AWAY. ONE MINUTE DOWN THE ROAD I SMELL SMOKE LIKE AN ELECTRICAL FIRE. I FEEL MY LEFT HIP GETTING HOT AT THE SAME TIME. I STOP CAR AND LOOK DOWN AND SEE A DULL RED GLOW FROM THE SEAT. IMMEDIATELY TURN OFF HEATER AND GET OUT OF CAR. THE DRIVER SEAT WARMER HAD SHORTED AND BURNED A HOLE THROUGH THE LEATHER SEAT ALONG THE LEFT SIDE OF THE SEAT. HOW HOT WAS IT! MY PANTS HAD BEEN BURNT AND HAD A SMALL RED MARK ON MY SKIN. THINK GOODNESS I WAS NOT SEVERELY BURNED DUE TO THE AREA OF MY PANTS THAT WAS BURNT WAS ALSO THE LEFT BACK POCKET AREA SO THE INTERIOR POCKET FABRIC HELP PROTECT ME. WOW! WILL BMW FIX THIS????? *TR