2003 BMW 530I Interior Lighting Problems

PROBLEMS THROUGHOUT OWNERSHIP OF VEHICLE WITH PLASTIC PARTS AND WIRING OF VEHICLE, A 2003 BMW 530I. WIRING TO BRAKE LIGHTS WHICH WERE REPAIRED EARLY ON UNDER WARRANTY. THE VEHICLE NOW HAS APPROXIMATELY 97,000 MILES. MOST OF THESE ISSUES HAVE BEEN GOING ON SINCE THE 50,000 MILE MARK. I DRIVE 20,000 MILES PER YEAR TO AND FROM WORK. ANOTHER PROBLEM INCLUDED THE VEHICLE SUDDENLY DROPPING ACCELERATION TO JUST A FEW MILES PER HOUR. WITH MY PEDAL TO THE FLOOR, I MADE IT UP A HILL AND PULLED OVER. AFTER SHUTTING DOWN THE ENGINE AND RESTARTING, MY VEHICLE PERFORMED NORMALLY. THE SERVICE ADVISOR AT THE DEALERSHIP INDICATED THAT THE UNDERWIRE HARNESS NEEDED TO BE REPLACED AND PRESENTED A SAFETY ISSUE. THE COST OF THIS SERVICE WAS AROUND TWO-THOUSAND DOLLARS. I'VE YET TO DO THE SERVICE AND HAVE PUT MANY THOUSANDS OF MILES ON THE VEHICLE SINCE. THE CONTROL ARM BUSHINGS WERE FOUND...