2nd Gear Member
Join Date: Mar 2006
Location: Jacksonville, FL
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no DIY's that I know of, but it should be pretty straightforward. I can't remember off the top of my head if the buttons will come out without having to take the door panel off, but I would take the door panel off first just to be safe. It comes off easy enough anyway, it is just pressed into the door with plastic clips. be gentle, but firm when pulling it off, so that you don't break any of the clips. Anyway, once you get the button module out, it should be readily apparent how to clean up the contacts, or take it apart (if that is possible) to get into the meat of things. When I say clean, i mean look at any place where metal makes contact on metal to complete an electrical circuit. If there is any gunk on the metal, then the contact can't be made, hence the switch won't do its job. Just take a little wd-40 or something like that (sparingly!) and some q-tips and that should do the trick. Honestly, I haven't had to do this with my Bimmer, but my previous car (Honda Prelude) did the exact same thing that you explain for the passenger side window. I was able to take the driver's side button cluster completely apart, cleaned up the electrical contacts and when I replaced it back, everything worked like a champ. Same thing happened on my Yukon that you described for the side view mirror adjuster. Just took the button apart, cleaned up the contacts where the button makes the electrical connection, and voila! mirrors started working fine again.
On the lock, sounds like the lock mechanism on that door is either broken, or disconnected. Take the door panel off and do an investigation.
Jason / 1997 528i
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Last edited by winters97E39; 05-16-2008 at 12:18 PM.