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DIY: Do It Yourself
Post here to share or improve your wrench turning skills! All BMW E46 DIY tips, tales, and projects discussed inside. Learn to work on your car and know the right BMW parts you will need!

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Old 08-19-2006, 08:06 AM   #1
nikookar
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How to DIY replace and reprogram locking computer

When you have the crazy door unlocking problem chances are big you need to replace the door locking computer.

This computer is located behind the glovebox compartment. Removing 5 screws will remove the glovebox compartment. In a white tray you will see the top tray is filled with a white box with three cables.

Replace this computer with a used or new computer.

Now reprogramming your new computer:

- Make sure all doors are unlocked.
- Go sit inside your car.
- Close all doors.
- Set ignition key to position 1 (no more then 5 seconds) and switch off (now system is ready for initialisation. Start initialising keys within 10 seconds from here)
--key one-- Keep unlock key pressed while pressing lock key 3 times and let go of the unlock key. (the doors will lock and unlock when succesful otherwise start over)
--key two-- Keep unlock key pressed while pressing lock key 3 times and let go of the unlock key. (the doors will lock and unlock when succesful otherwise start over)
- Set ignition key to position 1 or any other position will end initialisation process.

It worked for me and keys are programmed and my doors are unlocking again and in costs me 30 minutes and 50 euro for the computer.
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Old 08-31-2006, 07:46 PM   #2
HiMiles
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Locks

Do you happen to have the part # for that? Thanks
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Old 09-07-2006, 10:53 AM   #3
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is this for the auto lock at about 5mph?
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Old 09-14-2006, 08:06 PM   #4
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Where do you buy the GM V as in "General Module"? Dealer only part?
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Old 10-02-2006, 12:38 PM   #5
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Bavarian auto recyclers...
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Old 07-02-2007, 10:01 AM   #6
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Sorry for the late response. I didn't check this post in a long time.

Just go to the BMW dealer and ask the correct product number. I got a lock computer from a crashed car. I worked just fine.

This is post will resolve the problem when your car door won't unlock correctly.
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Old 07-02-2007, 04:59 PM   #7
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how much is the replacement from bavarian auto recyclers
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Old 08-02-2007, 03:01 AM   #8
sam
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This was a great DIY....worked perfectly! This thread should be stickied!
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Old 08-02-2007, 07:35 AM   #9
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Just to add to this thread:

I had the same problem with my door locks which would lock 100% reliably but 99% of the time the remote would unalarm the car but not unlock it. By using the key to open the drivers door I could get in but the other doors wouldnt unlock this way or with the button in the centre console.

I removed the module that controls the locking and carefully sliced the top off of the 2 relays. Each realy has 2 sets of contacts (4 over all) and it works by using 2 sets for locking, 1 for unlocking and 1 for deadlocking.

On my car the deadlocking contacts had stopped working 100% so the doors wouldnt have a chance to unlock so I removed the deadlocking contact in the relay and it was a 100% reliable from then on.

I ordered a new relay and replaced the broken one and all has been fine since.
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Old 08-05-2007, 04:51 AM   #10
vids_blk323Ci
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I guess there are various ways of doing this eh?

1. replace door lock computer

2. replace door lock actuator

3. repair door lock actuator like in post #9
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Old 08-05-2007, 03:45 PM   #11
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it happens to be this part?

BASIC MODULE
611-35-6-963-338
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Old 08-06-2007, 03:39 AM   #12
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bump
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Old 08-06-2007, 04:03 PM   #13
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I swapped out my original GM 5 for a new one(61 35 6 963 338) today on my 2001 330i sedan. I reprogrammed using the keys and the locks work great. Now only the passenger side window works and other four don't. The new computer must be programmed for a coupe because the windows shut an additional 1-2 mm when the door is shut. Any thoughts???
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Old 08-08-2007, 01:17 PM   #14
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Just got back from the dealer who spent 2hrs reprogramming my GM 5 and resetting my preferences. Everything works fine now. Total fee was $380 for the GM 5 module and 230 for 2hrs of reprogramming. A small price to pay to not be trapped in your car in an emergency.
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Old 08-08-2007, 08:33 PM   #15
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$610 GOT DANGGGGGGGGG!
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Old 07-31-2008, 08:07 AM   #16
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Door central locking relays

First of all Hi everybody, great site ! I'm looking for replacement relays for the central locking system of a 323i. I've cleaned the contacts of the old relays & the system is now operating perfect but I would like to buy new relays & replace them. Can anybody help please ? Any links to sites where I can buy new relays ? Thanks in advance.
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Old 08-31-2008, 06:45 PM   #17
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Where to purchase new relays for GM5 (and get it repaired)

You can get GM5 relays from http://www.bmwgm5.com Yes, this module has failed so much that there's a web site. They also will repair it for $100 including return next day shipping.
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Old 08-31-2008, 07:00 PM   #18
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Quote:
Originally Posted by scottjoh View Post
You can get GM5 relays from http://www.bmwgm5.com Yes, this module has failed so much that there's a web site. They also will repair it for $100 including return next day shipping.
That web site is amazing and full of info!

Curious if anyone has sent their GM5 to him for repair?
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Old 09-16-2008, 09:50 PM   #19
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Thanks to everyone who put this stuff up here. I for one am so sick of the locks that I'm going to send my module off to him and get the thing fixed. I'll post back with the results. My wife won't go near the car 'cause she's afraid of being locked in or have the passengers locked in or out (which ever is more in-convenient). She said she thought she was going to have to break the window to get the kids out, but I told her to just put it down instead.
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Old 09-23-2008, 06:06 PM   #20
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Thought I'd write the update. I sent my GM5 to Scott at http://www.bmwgm5.com The service was excellent. I mailed my module out priority mail on a Thursday and had it back in the car the following Tuesday. You could probably do it faster if you overnight it both ways, I only did the return trip. So far so good, but the real test comes when it gets hot enough or it rains some.
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