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12-09-2014, 06:11 AM | #1 |
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Comfort Access not working
I recently bought a 2009 135i with the comfort access option. The key proximity function has never worked. The local BMW dealer wants $850 to replace the module. Could ignoring this be a problem? I'm happy living without it, but I sometimes here weird electrical noises (hums, clicks) as I walk by the car and I wonder if its trying to actuate. No sign of battery drainage yet.
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12-09-2014, 06:37 AM | #2 |
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I think the clicks are normal. Every time I wash my car the doors lock/unlock if my key is in my pocket. If it's not doing that, there might be something else.
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12-09-2014, 08:05 AM | #4 |
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two key fob types...
CA key fobs have a replaceable battery. Non CA have a built in battery that needs to be charged in the car "slot". CA fobs don't charge in the slot - so once the battery gets old, it is time for a new one. I would try that first before buying a new ECM for the CA.
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12-09-2014, 11:00 AM | #5 |
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I believe there's also a fuse for the CA. That's a cheap fix, too.
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12-09-2014, 06:34 PM | #8 |
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True with most other remotes as well.
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12-09-2014, 07:59 PM | #9 |
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Thanks for all the replies, guys!
1. Remote key unlocks and locks all the doors and trunk, so I think the battery is still good. Still, thats a cheap enough fix to give it a try. I should keep spares anyway. 2. Fuse: I'll take a look. If someone can point me the way, it will save me some time in a freezing cold garage trying to find the right fuse box and fuse. These old bones doth protesteth muchly. 3. Repair estimate: The dealer quoted replacing the module. I can call back and see if that includes the coding and if they eliminated any problems with other components of the system. Cheers! This is a great forum. |
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12-10-2014, 09:21 AM | #10 | |
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I just had to have mine replaced (under warranty though). The issue was as you described, unlock and lock worked, had to insert key to start the car. Found out there was a bad seal around the gas filler allowing water to enter the area where the module was. They had to replace the seal and module, no re-coding needed. So I would check out the module to see if it's dry and if so just replace it.
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12-10-2014, 03:25 PM | #11 | |
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The fuse would probably be in the glove box fuse box, your fuse diagram is slipped into a holder in the glove box. You'll see it as you're going to access the fuse box. The diagram is custom to your car and it's options. See: http://www.1addicts.com/forums/showthread.php?t=260994
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'13 128i | 6MT | SGM | Black Boston | Black Gloss | Lighting | Premium | Tech | HK | Anti-Theft | [CDV-Delete | Clutch Stop | 30% Pinnacle]
Ordered 2.23 | Production Begin 3.7 | Ends 3.15 | Released to carrier 3.18 | At port 3.19 | Departed 3.23 (K-line to Brunswick) | Arrived 4.7 | Truck 4.12 | Dealer 4.19 |
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12-11-2014, 02:35 PM | #12 |
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Mine stopped working for a couple months, then randomly fixed itself. But now that it is working, it always works 100% of the time regardless if I have my phone on me or not.
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12-17-2014, 08:38 AM | #14 | |
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2009 BMW LeMans Blue 135i/Dinan Stage 2 tune/Alufelgen SF-71s/M3 suspension components/Koni Sport adjustable dampers/ETS FMIC/M3 paddle shifters/Alpina B3 TCU flash/VRSF charge pipe
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10-06-2016, 07:07 PM | #15 |
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Digging up an old thread,
anyone know where the front antenna is located? I'm currently checking all my components but looks like the drivers handle. |
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