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E39 (1997 - 2003)
The BMW 5-Series (E39 chassis) was introduced in the United States as a 1997 model year car and lasted until the 2004 when the E60 chassis was released. The United States saw several variations including the 525i, 528i, 530i and 540i. -- View the E39 Wiki

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  #1  
Old 10-04-2012, 05:49 PM
2ns2ls 2ns2ls is offline
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Location: Peoria, IL USA
 
Join Date: Nov 2007
Posts: 33
Mein Auto: 2001 530i 5spd
Front doors not locking

I have a new issue that's cropped up on my '01 530i today. When I lock the doors (with key, center console button, or after starting to drive) only the back doors are locking. The front doors are not locking. I did a check of the fuses and didn't identify any that we're blown.

Any guidance would be appreciated.
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  #2  
Old 10-04-2012, 06:25 PM
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Fudman Fudman is offline
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Location: Sudbury, MA
 
Join Date: Apr 2007
Posts: 6,052
Mein Auto: '02 530i Sport auto
Probably your door locking actuators, although two failing simultaneously seems odd. I just posted a DIY repair last weekend. Search for it. If they are failing door actuators, DO NOT try to lock your doors. If they lock and the actuator dies, you will not be able to unlock them without destroying your inner door panel to access the mechanism to open the door.
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Old 10-04-2012, 07:31 PM
2ns2ls 2ns2ls is offline
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Location: Peoria, IL USA
 
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Mein Auto: 2001 530i 5spd
I think that both failing at the same time might be pointing to something other than the actuators.
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Old 10-04-2012, 07:39 PM
2ns2ls 2ns2ls is offline
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Location: Peoria, IL USA
 
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Mein Auto: 2001 530i 5spd
I browsed around on some other forums. Someone mentioned they had this issue, but it resolved itself after lowering/raising the driver window. Sure enough I did this and now the locks work. The post said something about a ZVM module fault possibly to blame.
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Old 10-05-2012, 09:51 AM
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bluebee bluebee is offline
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Location: San Jose, California
 
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Mein Auto: 02 BMW 525i M54 automatic
Quote:
Originally Posted by 2ns2ls View Post
I browsed around on some other forums. Someone mentioned they had this issue, but it resolved itself after lowering/raising the driver window. Sure enough I did this and now the locks work. The post said something about a ZVM module fault possibly to blame.
For the future, Fudman's excellent door lock actuator DIY is here:
- How to properly maintain a door lock (1) & a DIY for how to replace the front lock door actuator (1) & how to disable automatic door locks (1) (2)

For the record, looooong ago my passenger side door lock actuator was intermittent. maybe one in twenty all-door locks failed. I'd have to physically look to see if the door lock actually locked whenever I left the bimmer in a parking lot. I brought it to the dealership, under original factory warranty, and they had trouble finding the error - but eventually replaced the passenger door lock actuator (as far as I can recall).

Never happened since.
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See also: E39 Bestlinks & How to easily find what you need, in seconds!
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