2009 BMW 535I Suspension Problems

BMW 2009 535 XI OWNER. OUT OF ALL OF THE TIMES TAKING THE CAR FOR SERVICE FOR VARIOUS REASONS, I DECIDED TO LOOK FOR INFORMATION REGARDING MY LATEST ISSUE. TWIN TURBO. I WAS TOLD THE REAR TURBO WAS BAD AND IT IS RECOMMENDED TO DO BOTH. I HAD THE CAR SERVICED IN OCTOBER, THEY TOLD ME THE OIL SMELL WAS DUE TO THE SPRING FROM OIL CAP MISSING. BEFORE OCT 2019 I COMPLAINED ABOUT THE OIL SMELL AND WAS TOLD IT WAS A LEAK FROM A HOSE (I NEVER SAW ANY FLUIDS ON GROUND) THIS LAST INCIDENT, I WAS ON THE ROAD WHEN I EXITED THE HIGHWAY I GOT AN ENGINE WARNING TO SHUT OFF THE ENGINE IMMEDIATELY. OIL WAS LOW. I TOOK IT BACK TO BMW AND I WAS TOLD THE REAR TURBO WAS BAD. THEY NOW WANT $6,900. I READ IN A FEW POSTS THAT THE TWIN TURBO...

THIS IS AN ENFORCEMENT COMPLIANCE REQUEST ON A WEEKLY CONTINUUM FOR THE SAFETY OF THE PUBLIC ON THE FOLLOWING : TIRES: GOODYEAR AND MICHELIN , ALL TYPES, TREADS, SIZES, HEIGHTS, WIDTHS. AUTOS: MERCEDES BENZ, BMW, CADILLAC, FERRARI, BUGATTI, ALFA ROMERO, ROLLS ROYCE, BENTLY, LAMBROGHINI, LINCOLN. PLEASE ASSIST WITH ALL PARTS INSPECTIONS, ANALYSIS FOR INTEGRITY, SAFETY, MAINTENANCE - UPKEEP. PLEASE ASSIST TO NOTIFY THE PROPER AUTHORITIES ON THESE FINDING, IF APPLICABLE. PLEASE BEGIN INSPECTIONS FROM ALL 1990 MODELS, MAKES, TO THE PRESENT 2009 YEAR'S PARTS, AUTOMOTIVES. *TR