2011 BMW 335I US Wheels Problems

MY RIGHT REAR TIRE KEPT LEAKING AIR, SO I TOOK IT IN TO THE DEALER AND THEY TOLD ME TO TAKE IT TO A TIRE SHOP. THE TIRE SHOP FOUND OUT THERE WAS A CRACK IN THE RIM MOST PROBABLY BECAUSE OF A POTHOLE, SO I THOUGHT THAT WAS POSSIBLE AND I GOT THE CRACK FIXED. EVER SINCE I HAD THIS ISSUE, I HAD BEEN DRIVING VERY CAREFULLY AND AVOIDING ANY POTHOLES. AFTER A FEW MONTHS, NOW MY LEFT REAR TIRE HAS THE SAME EXACT REASON. I RESEARCHED THIS ISSUE ON SOME ONLINE BMW FORUMS AND PEOPLE WITH THE SAME CAR AND RIM ARE REPORTING SIMILAR ISSUE. BMW REFUSES TO REPLACE THE RIM SAYING IT'S MY FAULT AND THAT I PROBABLY HIT A POT HOLE. *KB

MY REAR TIRE SLOWLY STARTED TO LOSE AIR PRESSURE DURING FREEWAY COMMUTING IN LOS ANGELES AREA. SAVAGE BMW IN ONTARIO COULDN'T AT FIRST DETERMINE THE CAUSE AND SUGGESTED IT WAS A TIRE LEAK AND TO TAKE IT TO A TIRE SHOP. THE TIRE SHOP FOUND NOTHING WRONG WITH THE TIRE AND SAID TO TAKE IT BACK TO THE DEALER. THE DEALER FINALLY FOUND THE PROBLEM BY DUNKING IT INTO A WATER TANK....A CRACKED RIM...CRACKED ON THE INSIDE....THIS WAS CAUSING THE AIR TO LEAK OUT MORE AND MORE AS I DROVE. IT WAS TO THE POINT THAT I WAS FILLING UP AIR EVERY DAY. THE DEALER TOLD ME THAT I PROBABLY HIT A POTHOLE AND THAT IT WAS NOT COVERED UNDER WARRANTY, SO I FIGURED THEY WERE RIGHT AND PAID FOR THE NEW RIM. NOW SEVERAL MONTHS LATER (AND DOING VERY CAREFUL DRIVING TO ENSURE I DON'T HIT ANY POTHOLES OR...