2007 BMW 335I Wheels Problems

REAR PASSENGER WHEEL, CRACKED AGAIN, LESS THAN A YEAR BEFORE I HAD TO PURCHASE A NEW WHEEL DUE TO CRACKS CAUSING IT TO SHIMMY. A YEAR LATER BMW TELLS ME THE SAME WHEEL IS CRACKED AGAIN CAUSING THE CAR TO SHIMMY. WHEELS COST $500. + PER WHEEL. AS A RESULT I REPLACED ALL THE WHEELS WITH A SET OF NEW AMERICAN RACING WHEELS, AND SHIMMY HAS GONE. THERE IS A PROBLEM WITH THESE WHEELS, I HAVE A FOUR DOOR SEDAN, NOT SPORTS PACKAGE, JUST STANDARD WHEEL. *TR

THE WHEELS WERE CHECKED DUE TO SEVERAL INSTANCES OF TIRE PRESSURE LOSS. IT WAS DISCOVERED THAT 3 OF 4 RIMS HAVE CRACKS THAT ARE CAUSING THE TIRES TO LOSE PRESSURE. UPON DOING SOME RESEARCH, IT IS APPARENT THAT THIS DEFECT HAS AFFECTED MANY BMW OWNERS WITH RUN FLAT TIRES. *TR

BMW 3 SERIES AND ALSO OTHER SERIES WITH RUN FLAT TIRES HAVE AN ISSUE THAT WITH AN AVERAGE BUMP LIKE A MANHOLE COVER THE WHEEL WILL CRACK. I HAVE REPLACED 3 SO FAR ON MY 2007 335I AT MY COST. AFTER RESEARCH I HAVE SEEN THAT THIS IS A COMMON ISSUE AND THAT EVERYONE HAS HAD THE SAME EXPERIENCE WITH BMW DENYING IT WAS THE WHEEL. THE CAR HAS 45,000+/- MILES ON IT. WHEN BROUGHT IN DUE TO RAPID AIR LOSS BMW STATES IT WAS THE DRIVING CONDITIONS NOT THEIR WHEEL. I DRIVE ON MOSTLY HIGHWAY ROADS AND SECONDARY ROADS TO MY HOUSE. I HAVE NEVER HIT ANY KIND OF POTHOLE OR CURB THAT WOULD CAUSE AN ALLOY RIM TO BE CRACKED. IN ALL 3 INSTANCES, THE CRACK IS EXACTLY THE SAME AND THE REPLACEMENT FOR THIS DAMAGE IS IN EXCESS OF $500 FOR THE RIM. IN TWO OF THE...