2010 BMW 750LI Unknown Or Other Problems

I PURCHASED THE 2010 BMW 750 LI IN OCT 2017. IN APRIL 2018, I BEGAN TO HAVE ISSUES AND MESSAGES CONSTANTLY POPPED UP CONCERNING ENGINE TEMP DRIVE MODERATELY AND DRIVETRAIN MALFUNCTION. I KEPT THE CAR'S MAINTENANCE UP, HOWEVER, EVEN A WEEK AFTER AN OIL & FILTER CHANGE, I'D GET THE LOW OIL WARNINGS & NEEDED TO ADD OIL CONSTANTLY. OIL WAS LEAKING BAD. THE CAR WOULD GET UP TO 35-40 MPH (BETWEEN 1 & 2 RPM) & START SHAKING OR WOULDN'T SHIFT OVER. I'D HAVE TO PRESS ACCELERATOR DOWN TO ACCELERATE TO ATLEAST 70 MPH SO THE SHAKING & VIBRATION COULD STOP. THE CAR WAS TAKEN TO A BMW REPAIR SHOP IN 08/28/2018. IGNITION COILS, SPARK PLUGS, OIL CHANGE, FILTERS, ALL WERE REPLACED. BRAKE FLUID WAS FLUSHED AS WELL. THE OIL ISSUE NEVER STOPPED. AFTER MONTHS OF ADDING OIL EVERY FEW DAYS, THE CAR WAS TAKEN BACK TO THE BMW...

MY CAR MYSTERIOUSLY CAUGHT FIRE WHILE PARKED. IT WAS LEFT FOR A FEW DAYS AT MY PLACE OF BUSINESS AND THERE ARE WITNESSES THAT SAW NO ONE SET IT ON FIRE. ARSON WAS SUSPECTED UNTIL THE REPORTS OF THIS HAPPENING ALL OVER THE WORLD CAME TO LIGHT.

DRIVER AND PASSENGER DOOR ACTUATORS AND LATCHES NOT WORKING TO THE POINT OF LOCKING THE DRIVER OR PASSENGER IN WHERE THEY CAN NOT EXIT THE VECHICLE DURING AN VECHICLE OR PERSONAL EMERGENCY . ON TOP OF THIS BMW IS CHARGING CUSTOMERS 2500 TO REPAIR THIS POTENTIAL LIFE OR DEATH ISSUE.

SMOKE COMING OUT UNDER THE HOOD WHEN ISTOP AFTER DRIVING 8 MILES