2001 BMW 325IX Latcheslockslinkages Problems

IN VARYING TEMPERATURES THE ELECTRONIC DOOR LOCKS ON MY 2001 BMW 325IX FAIL TO WORK, RENDERING IT IMPOSSIBLE TO OPEN THE LOCKS ON THE THREE PASSENGER DOORS, EVEN MANUALLY FROM THE INSIDE. THE PROBLEM HAS GOTTEN PROGRESSIVELY WORSE OVER THE YEARS AND SEEMS TO INCREASE WHEN THE INTERIOR TEMPERATURE IN THE CAR GETS HOT (SUCH AS ON A SUNNY DAY AFTER SITTING). *TR

DUE TO THE MALFUNCTIONING OF THE ELECTRONIC FOR DOOR LOCKS, THE DOOR WILL NOT UNLOCK USING THE KEY PAD AND FROM THE CENTRAL CONSOLE LOCK BOTTOM FROM INSIDE THE CAR AND ALSO WITH THE MANUAL LOCK LEVER FROM INSIDE. BUT THE DRIVERS SIDE DOOR WILL UNLOCK USING THE KEY MANUALLY FROM OUTSIDE. ONCE THE CAR IS AUTO LOCKED AFTER IT STARTS MOVING, THE DOOR WILL NOT UNLOCK AND OPEN FROM INSIDE WITH THE MANUAL LEVER, EXCEPT THE DRIVER SIDE. THE CENTER COSOLE SWITCH WILL NOT UNLOCK ANY DOORS EXCEPT THE CARGO HATCH. MAIN SAFETY ISSUE IS AS FOLLOW: THE REAR SEAT AND FRONT RIGHT SIDE PASSENGERS CANNOT UNLOCK THEIR DOORS USING THE MANUAL LEVER ON THE DOOR. THIS CAN BE VERY DANGEROUS IN CASE OF AN EMERGENCY. THIS FAILURE LOCKS THE OCCUPANTS OF THE CAR UNLESS THEY CRAWL TO THE DRIVER SIDE OR TO THE BACK CARGO DOOR. I HAVE...