2011 BMW 750I US Unknown Or Other Problems

THE ENGINE FAILED IN HEAVY TRAFFIC WHILE ACCELERATING 28,000 MILE ON CAR. I HAD THE VEHICLE TOWED TO BMW AND FOR REPAIRS. THE MAIN PROBLEM WAS LEAKING FUEL INJECTORS FAILED WITH NO PRIOR WARNING.. THE TOTAL COST WAS APPROXIMATELY 5K NOT COVERED UNDER WARRANTY. MY CAR HAD PREVIOUSLY HAD AN INSURANCE CLAIM AGAINST IT. PRIOR TO THE PURCHASE OF CAR I CALLED BMW AND WAS TOLD THE WARRANTY WAS STILL IN EFFECT. RECENTLY I TOOK MY CAR IN FOR AN OIL CHANGE ONLY AND WAS TOLD THAT IT REQUIRED SUBSTANTIAL WARRANTY REPAIRS. I TOLD THEM ABOUT OUR PREVIOUS WARRANTY DISPUTE WHERE THEY CLAIMED WARRANTY WAS VOIDED. THEY SAID THAT WAS IRRELEVANT FOR THESE REPAIRS AND THEY WOULD COVER IT UNDER N63 CUSTOMER CARE PACKAGE REGARDLESS OF MILEAGE ON VEHICLE. THEY REPLACED MANY COMPONENTS INCLUDING VACUUM PUMP MAF SENSORS AND SEVERAL LINES AND HOSES. THE FUEL INJECTORS WERE ALSO ON THE...