2010 BMW 328XI Power Train Problems

I BELIEVE THAT UNINTENDED ACCELERATION CAUSED MY ONE VEHICLE ACCIDENT. I WAS REVERSING SLOWLY OUT OF A STEEP DRIVEWAY. ONCE OUT OF THE DRIVEWAY, I PUT MY FOOT ON THE BRAKE SO THAT I COULD SWITCH GEAR IN TO DRIVE. WHEN I PUT MY FOOT ON BRAKE, THE CAR ACCELERATED BACKWARDS, AND I COULDN'T CONTROL IT. THE BRAKE WOULDN'T WORK. THE ACCELERATION WAS SO FAST, THAT WHAT STOPPED ME WAS HITTING A HORSE FENCE ACROSS THE STREET. I WAS GOING SO FAST, THAT I ENDED UP GOING AIRBORNE, AND ONLY DAMAGED THE TOP OF THE HORSE FENCE. MY FRONT PART OF MY CAR THEN FELL FORWARD AND BROKE THE TIE ROD IN HALF. I ENDED UP WITH WHIPLASH AND A CONCUSSION, REQUIRING POST-CONCUSSION SYNDROME PHYSICAL THERAPY FOR 4 MONTHS. I ASKED BMW FOR A SPECIAL INVESTIGATION INTO MY CAR TO SEE IF IT MALFUNCTIONED. MY CAR WAS NOT ALLOWED TO...