2011 BMW X5 Visibilitywiper Problems

THE VEHICLE LOSES POWER AND SUDDENLY INCREASE IT WHILE DRIVING THE VEHICLE IT ALSO JERKS STEERING FEELS LOOSE LEAKING OIL FROM THE ENGINE. COMPUTER ON THE DASH READS TO ADD A QUART THIS IS HAPPENING EVERY OTHER DAY SINCE I GOT IT BACK FROM THE DEALER. THE VEHICLE IS BACK AT THE DEALERSHIP AND ADVISORS TELL ME THERE IS NOTHING WRONG WITH THE OIL ALL LIES. THEY DISMANTLED MY ENTIRE ENGINE THE VEHICLE NEVER DROVE THE SAME AGAIN PLUS THE CHECK ENGINE LIGHT IS FLICKERING. PLEASE HELP!!!!!!! VEHICLE SHUT DOWN ON ME WHILE I WAS IN THE HIGHWAY DRIVING SLOWING I PULLED OUT OF THE HIGHWAY INTO AND EXIT AND FROM THERE I HAD IT TOW TO BMW AFTER THEY SO CALLED FIXED IT AGAIN

IN LATE DECEMBER 2014, THE RIGHT HEADLIGHT WASHER NOZZLE AND COVER FELL OFF SOME TIME DURING USE (VEHICLE SPEED IS UNKNOWN; 45 MPH IS A GUESS). THE VEHICLE DID NOT HAVE ANY SNOW OR ICE ON IT. IN EARLY MARCH OF 2015, BOTH HEADLIGHT WASHER NOZZLES AND COVERS FELL OFF WITHIN A WEEK OF EACH OTHER, BOTH TIMES WITH NO SNOW OR ICE ON THE VEHICLE (THE VEHICLE IS PARKED IN A GARAGE AT BOTH HOME AND WORK). THE RIGHT NOZZLE/COVER ASSEMBLY WAS HANGING LOOSELY, AND WAS SALVAGED. IN JANUARY 2015, BMW WOULD NOT PAY FOR REPAIRS UNDER WARRANTY, CLAIMING THE PARTS WERE "EXTERIOR TRIM," RATHER THAN SAFETY FEATURES, AND THEREFORE NOT COVERED. AFTER THE SECOND INCIDENT INVOLVING BOTH WASHERS, BMW WOULD NOT ALLOW THE DEALERSHIP SERVICE CENTER TO DEACTIVATE THE HEADLIGHT WASHERS (TO PREVENT FUTURE INCIDENCES), CLAIMING THE PARTS ARE "SAFETY FEATURES." IT SEEMS BMW CHANGES THE DESIGNATION OF...