2011 BMW 750LI Suspension Problems

SINCE NEW, MY CAR'S STEERING HAS PULLED DANGEROUSLY TO THE RIGHT, SUCH THAT MY HANDS MUST REMAIN ON THE STEERING WHEEL TO KEEP THE CAR DRIVING STRAIGHT, AND IF I LET GO AND COAST THE CAR VEERS TO THE RIGHT AND INTO NEIGHBORING LANES ON A MOMENTS NOTICE. FOUR ALIGNMENTS HAVE BEEN PERFORMED TO THE CAR BY TWO MANUFACTURER AUTHORIZED DEALERSHIPS, ALL OF WHICH HAVE NOT REMEDIED THE PROBLEM, AND HAVE CAUSED THE PROBLEM TO WORSEN, IF ANYTHING. THIS PROBLEM DOES NOT ONLY AFFECT MY MODEL, THE 2011 BMW 7 SERIES, BUT 2010 AND 2011 BMW 5 SERIES AS WELL, AS THERE ARE NUMEROUS PAGES DOCUMENTING SAME ON INTERNET MESSAGE BOARDS, TO THE EXTENT THAT IT APPEARS BMW IS AWARE OF THE PROBLEM, BUT THAT THEY ARE RETURNING CARS TO CUSTOMERS AFTER SUPPOSED REPAIRS OR AFTER CLAIMING THAT THERE ARE NO PROBLEMS AT ALL BY FALSIFYING REPAIR ORDERS - ONLY...