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2002 bmw x5 no doorlock after rs


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howie ll 
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Posted: September 05, 2014 at 9:14 AM / IP Logged  
More blue sky thinking. Is there an ignition + at the door module?
Could we use this to overcome no unlock by relaying via status wire?
My car uses a mixture of 98-05 BMW Z4 and 5/X5 wiring and it certainly unlocks during R/S.
chriskonzen 
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Location: Iowa, United States
Posted: September 05, 2014 at 11:59 AM / IP Logged  
Good idea, Hadn't thought of that. I will check that out early next week when it returns. I'll keep you posted.
kevin2443 
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Posted: September 05, 2014 at 2:42 PM / IP Logged  
I'm trying to follow along here. Are you guys thinking that the ignition + wire is what controls the door locks working or not? And controlling it with a relay and the status wire can bypass its control of the door locks?
howie ll 
Pot Metal - Posts: 16,466
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Posted: September 05, 2014 at 2:43 PM / IP Logged  
Yes
kevin2443 
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Posted: September 05, 2014 at 2:44 PM / IP Logged  
Also, I would be willing to test certain wires etc. for you on my car. Let me know if I can help.
howie ll 
Pot Metal - Posts: 16,466
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Posted: September 05, 2014 at 2:48 PM / IP Logged  
My thinking is that there's an ignition standoff somewhere. Never had this problem on the 20 or so 98-05 X5's that I've done myself so I'm also struggling with this.
kevin2443 
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Posted: September 05, 2014 at 6:50 PM / IP Logged  
And using the valet key in the bypass doesn't solve the problem right?
kevin2443 
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Posted: September 05, 2014 at 7:11 PM / IP Logged  
Also, I have the Bentley Manual for the X5 with all the wiring diagrams. I'll look around in there and see what I find.
kevin2443 
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Posted: September 05, 2014 at 8:37 PM / IP Logged  
http://www.scribd.com/doc/238805898/Bmw-Locks-008
Check out the locking description and wiring diagrams I uploaded from my Bentley Manual. Notice on page 515-6 the descriptions of the single and double lock motors. It tells you how the doors can and can't be unlocked when locked either with the central switch or by remote.
As for the wiring diagrams, I am still trying to figure something out. I do see the BL/RT (blue red) and WS/SW (white black) wires.
howie ll 
Pot Metal - Posts: 16,466
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Joined: January 09, 2007
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Posted: September 06, 2014 at 2:50 AM / IP Logged  
Kevin I discovered about 10 years ago on an E46 Cabriolet that if you DON'T use the valet (as key in a box) that's when your lock unlock troubles start!
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