2014 BMW X3 Wheels Problems

BOUGHT A NEW 2014 BMW X3. IN NOVEMBER 2014 WITHOUT ANY WARNING, THIS SUV HAD A MECHANICAL BREAKDOWN IN THE MIDDLE OF THE STREET. THIS VEHICLE CONTROLLED ITSELF, I WAS NOT IN CONTROL OF THIS VEHICLE. FOR MORE THAN HALF AN HOUR, THE TRUCK WAS JERKING HARD BACK AND FORTH IF I TOOK MY FOOT OFF THE BRAKES. THE WHEELS WERE NOT MOVING ANY TIME. I COULD NOT EXIT THIS VEHICLE BECAUSE THE BODY WAS JERKING. I THOUGHT ABOUT JUMPING OUT BUT I DIDN'T KNOW IF THE VEHICLE WOULD HIT SOMEONE OR I WOULD HAVE BEEN HIT BY ANOTHER VEHICLE, HURT FROM JUMPING AND FALLING, ETC. THE VEHICLE CABIN FELT AS THOUGH IT WAS DISCONNECTED FROM THE BOTTOM OF THE SUV AND HELD TOGETHER WITH SPRINGS. MY LIFE WAS IN DANGER AS A RESULT OF THIS. THE FLASHER STOPPED WORKING AFTER A COUPLE MINUTES. I PUSHED THE STARTER/STOP BUTTON, THE...