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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > AUDIO/VIDEO + BLUETOOTH + Electronics/Alarm/Software > Why does my car want to unlock itself as I walk away from it?



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      02-20-2019, 07:02 AM   #1
ayyy
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Why does my car want to unlock itself as I walk away from it?

Hi everyone,

08 e92 335xi N54 here with iDrive and Comfort Access (if it matters). Every now and then, when I walk away from my car after pressing the center lock button on the FOB, the car insists on unlocking itself either immediately after or after a few seconds, usually after I've walked out of range of the key, forcing me to walk back and keep locking it. As far as I can tell, this has nothing to do with whether or not the door or trunk is accidentally ajar or the headlights are on, as they never are. Is this a really stupid feature of comfort access that I'm missing?
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      02-20-2019, 01:33 PM   #2
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Door sensors going bad maybe.
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      02-20-2019, 03:30 PM   #3
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Quote:
Originally Posted by ctuna View Post
Door sensors going bad maybe.
Come to think of it, this might make sense, as sometimes when it's reallllly cold I'll get a "trunk ajar" warning while driving. But when I get out to close it, it's already closed. So maybe it's a sensor in the trunk going bad?
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      02-20-2019, 03:59 PM   #4
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electical e90 pdf
http://www.google.com/url?sa=t&rct=j...,d.cGU&cad=rja
http://www.google.com/url?sa=t&rct=j...85464276,d.cGU
http://www.google.com/url?sa=t&rct=j...85464276,d.cGU

https://www.google.com/url?sa=t&rct=...ZLT-LgFEQiaOqa
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      03-03-2019, 05:26 AM   #5
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how's your battery, when they start to go all kinds of electrical gremlins appear.
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      03-05-2019, 10:59 AM   #6
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Just a thought, though an odd one. But you're sure you don't have a spare key in the car?
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      03-08-2019, 10:30 AM   #7
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Quote:
Originally Posted by cdgatti View Post
how's your battery, when they start to go all kinds of electrical gremlins appear.
Good thought, but brand new AGM installed a couple months back. Everything electric operating normally with no codes.

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Originally Posted by bluewater328 View Post
Just a thought, though an odd one. But you're sure you don't have a spare key in the car?
Nope! I think it may be the wiring loom on the trunk lid. I randomly will get the "trunk open"' code in iDrive when it actually isn't open which points to a faulty wire or connection
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