2009 BMW 650I Wheels Problems

BOUGHT CAR FROM DEALER W/18K MILES, TEST DROVE AND NOTICED NOISE/VIBRATION UNDER FEET, STEERING WHEEL SHAKES, (SAID IT WAS THE "SPORT PACKAGE, RAIN, TIRES".) THEY HAD EXCUSE FOR EVERYTHING. THIS IS THE THIRD CAR I HAVE OWNED LIKED THIS AND NO ISSUES OF THIS KIND. FINALLY TOOK TO ANOTHER DEALER, SAID IT WAS THE RIMS BENT, TIRES DAMAGED. RETURNED TO 1ST DEALER FOR REPAIRS TO RIMS/NEW TIRES. THE NOISE SOUNDS LIKE GOING OVER A "ROCKY ROAD" BUT THIS IS CONSTANT & HAPPENS ON ALL ROAD SURFACES. THE VIBRATIONS CAN BE FELT UNDER THE PASSENGER AND NOW THE DRIVER SIDE FLOOR BOARDS. THE STEERING WHEEL SHAKES. THE CAR HAS HAD ALIGNMENTS. THE DEALER SAID THEY REPAIRED THE BENT RIMS, REPLACED THE TIRES. SINCE THEN, I HAVE MYSELF REPLACED THE RIMS, 2 SETS OF TIRES, ALIGNMENT, MULTIPLE BALANCING. I HAVE BEEN AT THE DEALER REPEATEDLY REQUESTING A RESOLUTION. THE RESPONSE IS "...