2013 BMW 650I Electrical System Problems

I WAS DRIVING AND THE VEHICLE STARTED TO SHAKING AND VIBRATING AND SMOKING LIKE HELL. VEHICLE INFORMATION DISPLAYED STATED DRIVE TRAIN MALFUNCTIONS DRIVE MODERATELY. I CALL UP THE DEALER AND THEY ADVISED ME TO DRIVE THE VEHICLE TO THE DEALER WHICH WAS LIKE 2 MILES AWAY. WHEN I REACH TO THE DEALER LOCATION I SEE SMOKE COMING FROM THE FRONT OF THE VEHICLE. THE DEALER TAKE THE VEHICLE AND THEY SAID THEY ARE GOING TO RUN A DIAGNOSTIC TEST ON THE VEHICLE TO SEE WHAT'S THE PROBLEM. 2 DAYS LATER THE DEALER CALLED ME TO COME DOWN AND LOOK AT THE VEHICLE. WHEN I WENT TO SEE THE VEHICLE, THEY HAD IT ON A LIFT. FROM UNDERNEATH THE VEHICLE, THE DRIVERS SIDE INTAKE MANIFOLD AND OTHER PARTS BURNED UP AND FUEL WAS DRIPPING WITH FUEL SMELL. THE DEALER SAID THEY NOT GOING TO FIX THE VEHICLE BECAUSE IT'S OUT OF...

SO THE ISSUE I'M EXPERIENCING HAPPENS WHILE IN MOTION RANDOMLY (DRIVING) WITH MY 2013 BMW 650 XI GRAND COUPE. ! AS I'M DRIVING , THE DASH BOARD AND THE BMW IDRIVE DISPLAYS ALL MAJOR MALFUNCTIONS WITH MY 2013 BMW 650XI GRAND COUPE . THEN MY BMW PROCEEDS TO SHAKE , SLOWS DOWN AND THEN YOUR UNABLE TO ACCELERATE PASS 20-30 MPH. WITHIN A MIN THE ENTIRE CAR SHUTS DOWN. IT'S VERY HARD TO STEER ONCE IT SHUTS DOWN BECAUSE THE CAR BATTERY IS COMPLETELY DEAD & UNABLE TO GIVE IT A BOOST . IT'S VERY SCARY HAVING A CAR POWERING DOWN WHEN YOU ARE DRIVING ON A MAJOR HIGHWAY OR MAJOR ROADS WERE YOU HAVE HUGE TRACKER TRAILERS TRUCKS PASSING YOU BY . IT'S VERY HARD TO CUT SEVERAL LANES OF HIGHWAY IN A POWERLESS CAR IN ORDER TO GET TO SAFETY ! THIS 2013 BMW 650XI GRAND COUPE IS...