The issue tends to start out intermittent and then worsen with time.
Passenger door wont lock with central locking.
This video is a demonstration of conventional methods used to prove an electrical device is faulty before replacing it.
If the remote still operates the drivers side door lock and it will manually unlock with the key it s possible the central lock mechanism in the drivers door is no longer sending a signal to all the other doors to lock unlock.
Sometimes it will lock and sometimes it wont.
I have pulled the door card off and checked the cable from the button to the lock and lubricated it but it seems to move freely.
The solenoid is bad.
Somebody suggested disconnecting the battery for a bit and then reconnecting in the hope the central locking would reset itself but it has not made a difference.
If the lock isn t getting power hold the lock switch either up or down and then open and close the door repeatedly to see if the lock will work.
Door locks on the passenger side will not open with the remote the master central locking module may be faulty.
Links to buy below.
Circuit testing and voltage drop test.
The front passenger door does lock and unlock with the key.
Replacing it may require removing the car door panel.
Each mech contains the cable that unlocks the door and the rod iirc you just have to re attach the rod to the exterior door handle.
Hi all just picked up a 2004 cooper s and discovered it has a central locking problem with just the drivers door.
By which i mean lock all the doors the car and disconnect the battery.
It is possible to strip the unit down to repair it however it s not without.
The two little bolts remove the white plastic thing the large three torx heads get the actual locking mech off.
If it works sometimes you probably have a broken wire.
Great tips for diagnosing a power door lock central locking or key fob issue on bmw and we show you the first steps to take.
When you hit the central locking button on the remote the affected door often won t lock or won t unlock if it was already locked.
You have a broken wire.
Again if one door doesn t work but others do the problem could be with the door lock solenoid.
Leave for 10 15 minutes and reconnect make sure you have the radio code etc beforehand.
Turn it off and then on again.