Central locking not working help

[Ross2525]

Hi everyone I’m new to this forum please help. I have BMW X5 E53 3.0d 2005 my 2 front doors stopped working central locking and the panoramic sunroof at same time so Only the 2 back doors&boot works ok From boat centre button and key buttons locking/unlocking.panoramic sunroof not opening or closing if u hold the buttons on the key fob only 2 back windows open/closing.at same time I noticed that the passenger side mirror not tilting down when reversing and driver window opens or closing only if I hoold the button on window switch normally was diper tap should go automatically down or up.Passenger window working from both sides switches ok.rear window are ok from driver control and each door switch.thank

[wpoll]

Check the drivers door master switch unit for any sign of water damage or water ingress. Bad stuff happens if this master switch unit gets wet....