2010 BMW 528XI Electrical System Problems

I WAS DRIVING 2010 BMW 528XI ON HIGHWAY @SPEED OF 65 MPH AND ELECTRIC SUPPLY DISCONNECTED IN THE CAR AND I LOST THE CONTROL. I COULD NOT CONTROL SPEED AND BRAKES. IT WAS A SERIOUS THREAT TO MY LIFE. FORTUNATELY, I LET CAR GO AND IT STOPPED BY ITSELF ON SHOULDER. I CALLED TO BMW CUSTOMER SERVICE BUT THEY MENTIONED THAT BMW CANNOT HELP IN THIS CASE AND JUST NOTED THE COMMENTS. I THINK THIS IS A SERIOUS PROBLEM IN BMW 5 SERIES AND WOULD LIKE TO KNOW IF ANY OF YOU EXPERIENCED SAME ISSUE.

I DROVE ACROSS TOWN TO MY PARENTS HOUSE AND WHEN I GOT THERE I TURNED THE CAR COMPLETELY OFF AND LOCKED IT. I VISITED WITH THEM FOR ROUGHLY 30 MINUTES BEFORE I HAD TO LEAVE AGAIN. I WAS APPROACHING MY CAR AND CLICKED THE UNLOCK BUTTON ON MY KEY FOB. ONCE THE CAR UNLOCKED I NOTICED SMOKE COMING FROM THE ENGINE. I UNLOCKED TO HOOD TO RELEASE PRESSURE AND QUICKLY RAN TO GRAB A FIRE EXTINGUISHER. WHEN I CAME BACK TO THE CAR WITH A FIRE EXTINGUISHER I NOTICED FLAMES SHOOTING OUT THE BOTTOM OF THE CAR. I PUT THOSE FLAMES OUT BUT AFTER TWO MINUTES MY CAR WAS COMPLETELY ENGULFED BY FLAMES. THE FIRE DEPARTMENT FINALLY ARRIVED TO THE SCENE AND PUT THE FIRE OUT. BY THE TIME THE FIRE WAS COMPLETELY PUT OUT MY CAR WAS COMPLETELY DESTROYED. MY PARENTS HOUSE TOOK QUITE A BIT OF DAMAGE AS...