2009 BMW 335XI Wheels Problems

WHILE DRIVING EAST ON THE NORTHERN STATE PARKWAY, ON FEBRUARY 18, 2010 , NEAR EXIT 42, LONG ISLAND, NY, AT 50 MPH, I HIT A POT HOLE. THE POT HOLE WAS NOT IMPEDING TRAFFIC IN ANY SIGNIFICANT FASHION, HOWEVER, I IMMEDIATELY RECEIVED A FLAT TIRE INDICATION FOR THE RIGHT FRONT TIRE. I HAVE RUN-FLAT TIRES, BUT COULD BARELY CONTROL THE CAR. THIS WAS UNUSUAL AS I HAVE EXPERIENCED FLAT TIRES PREVIOUSLY, AND NEVER HAD TROUBLE CONTROLLING THE CAR. NEVERTHELESS, I CONTINUED TO EXIT 42, EXITED THE HIGHWAY, AND PULLED INTO A NEARBY PARKING LOT. UPON INSPECTION IT BECAME CLEAR THAT THE PROBLEM WAS NOT CAUSED BY THE TIRE, BUT WAS DUE TO THE RIGHT FRONT ALUMINUM ALLOY WHEEL WHICH HAD BROKEN IN HALF. AT THIS POINT THE WHEEL CONSISTED OF TWO HALVES, THE OUTER HALF ATTACHED TO THE AXLE, AND THE INNER HALF HELD ONLY LOOSELY BY THE TIRE. LATER...