I have a 1998 Z3 1.9. I recently had the vehicle painted and the body shop removed the fenders and trunk. Since I received the car back the doors will not unlock from outside or inside. I do not have a fob. When I turn the key the lock button moves up but does not unlock. I tried leaning against the door and turning the key, but nothing happens. Any ideas? Because the key also unlocks the trunk, could it be an electrical issue?