2001 BMW 325XI Electrical system Problems

“My passenger brake light out of the blue started not working as I took it in the dealership they said a socket connector that involves the wires have been corrupted and burnt out. This is a serious hazard while out on the roads,I have seen many other post about that are having the same issues and im unaware of any recalls about this is issues. This is a issues that needs to have some attention.”

“I think I know why the car catches on fire since mine almost did and I troubleshoot the problem. The alternator is not disconnected from the battery when the ignition key is turned off and the car is parked in the driveway. If the alternator ever overheats for any reason (such as the cooling vent comes loose), the pass transistor in the built in regulator of the alternator begins to short. Since it is never disconnected from the battery (even with the ignition key removed) the fist symptom appears to be a bad battery as the alternator kills the battery. …”

“I was locked inside my car tonight. I entered my car through the unlocked driver's door. Other doors were locked. Started engine and left my driveway. Driver's door locked automatically. When I attempted to exit my car, the doors would not unlock. Door handle pulled as if disengaged to any mechanical connection other than return spring. I attempted to unlock doors with the center console switch to no avail. Turned off engine, removed key and attempted to unlock with fob to no avail. Attempted door pull on other three doors with results the same as previously described. …”

“Pin number 3 on the taillight bulb housing begins to melt at the connection point causing any number of things to happen with the electrical system. You may experience flickering headlights, loss of taillight function, loss of turn signal function, or electrical fire.”