I have a 2005 X5 3.0i. This problem started yesterday. My driver side door won't lock or unlock but all other doors are fine. I'm able to lock and unlock manually. In addition, the window control, I can only control the driver window and can't control other windows. I pulled out the control unit and wiggled the connector a little bit and the windows started working again but I have to apply pressure to the connector for it to keep working. I don't really want to take the car to the dealership to get raped. Can any give me some ideas on how to fix the problems please?