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General E46 Forum
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Old 08-23-2012, 01:54 AM   #1
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Join Date: Jun 2004
Location: W. USA
Posts: 233
My Ride: 2000 328ci sport pk
Driver's door lock is mechanically dysfunctional

2 weeks ago, I've pulled the drivers door handle out while I push the open switch on my fob key(diamond) to unlock the door.

Now the problem is, the internal lock button pull down all locks except the driver's side lock when I am inside the car. I would have to physcially pushed the lock down by hand.

When I am outside the car, and I push the middle button on my fob, all my locks work(pull down).

When I try to unlock my car (after it locked), all my locks will unlock(pull up) except the driver's side. So the only way to get into the car is to manually insert the key in the socket and turn it. (Repeat cycle; going in and out)

It's been this way every day now. I tried all kinds of crazy things, like push the lock down\up while turning the key in the socket left \right to free whatever mechanical piece that might be stuck. It work once by luck but it goes back to being bad.

Any ideas, diy or should I take it to the shop?
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Old 08-23-2012, 07:10 AM   #2
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Location: Knoxville, TN; Apex, NC
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My Ride: ZHP 6MT, Mk.6, Jeep
Either a linkage issue or a GM5 issue. Pull the door panel off and, after disconnecting the battery, remove the airbag. Check behind the insulation and see if anything in the lock linkage is busted. If not, you might want to look into a new GM5 module. That's the one that controls all of the door locks. I believe jfoj has a link to a site for them in his signature.
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Originally Posted by TheGreenspanator
Let me guess: This doesn't happen in Germany
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Old 08-23-2012, 11:55 AM   #3
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Sounds like something internal to the actuator has broken. The last two cars I've seen with door lock problems have had weird actuator problems inside. One sounds similar to your problem and the other had the lock indicator bounce 2-3 time when locking which I suspect is a broken tooth on one of the gears.
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