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BMW 3-Series (E90 E92) Forum > BMW E90/E92/E93 3-series General Forums > Regional Forums > UK > e92 Key Fob



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      11-08-2017, 08:47 AM   #1
Robboo
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e92 Key Fob

Hi guys,

Got an odd problem with my key fob, seems to work fine most of the time and then out the blue it wont work atall, just went to the car and it wouldnt work, 5 minutes later i came back and it works absolutely fine! I thought battery at first but because its intermitant im thinking maybe something else??

Thanks
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      11-09-2017, 03:16 AM   #2
rasa bmw
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when you say it wont work,do you just mean the door unlocking/lockkng..or do you mean the carwill not start when you push key in?
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      11-09-2017, 10:48 AM   #3
Robboo
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Just the locking, unlocking

Taking my spare key with me for a while to see if it still happens
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      11-10-2017, 06:54 AM   #4
AWSAWS
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The signal can be crappy on these things. Sometimes you can be right next to the car before it receives the signal.
I think the fob also recharges when it's inserted into the car but I'm not 100% on that. If it's had little use I suppose it could be low on power.
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      11-10-2017, 09:01 AM   #5
e28bmw
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Quote:
Originally Posted by AWSAWS View Post
The signal can be crappy on these things. Sometimes you can be right next to the car before it receives the signal.
I think the fob also recharges when it's inserted into the car but I'm not 100% on that. If it's had little use I suppose it could be low on power.
Yes the fob recharges itself when inserted in the dash. Do you drive a lot of short distances? It may be worth taking it for a run for an hour or two. If you have a second fob it's recommended to use that occasionally to recharge that too
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      11-15-2017, 12:18 PM   #6
Pscov
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My key fob works for remote lock and unlock but when I put in key slot I hear a click that it's grasped the key but the ignition won't come on.
Takes up to 50 times sometimes of reinserting before ignition lights come on. I've changed car battery.
Any ideas? Faulty key slot?
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      11-15-2017, 12:25 PM   #7
sirleeofroy
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Quote:
Originally Posted by Pscov View Post
My key fob works for remote lock and unlock but when I put in key slot I hear a click that it's grasped the key but the ignition won't come on.
Takes up to 50 times sometimes of reinserting before ignition lights come on. I've changed car battery.
Any ideas? Faulty key slot?
A couple of things that spring to mind:

Have you tried your spare key to see if the problem persists, this would potentially eliminate either the other key or the slot as the problem.

Have you coded the new battery?
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      11-16-2017, 04:09 AM   #8
Pscov
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Spare key does the same.
Both keys have the recharable batteries version so keyfob is sealed no option to replace batteries.
When ignition finally comes on. Next time I try it comes on instantly if left for a few hours have problem again.
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      11-16-2017, 04:21 AM   #9
sirleeofroy
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Quote:
Originally Posted by Pscov View Post
Spare key does the same.
Both keys have the recharable batteries version so keyfob is sealed no option to replace batteries.
When ignition finally comes on. Next time I try it comes on instantly if left for a few hours have problem again.
Ok, it might just be the keyslot/reader that is faulty.

Replacements are easily found on eBay for under 20 and here is a guide on how to change it out - http://www.pelicanparts.com/BMW/tech...eplacement.htm

It's for LHD drive cars but will be the same.....
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      11-16-2017, 05:36 AM   #10
rasa bmw
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take a look at this site,ive contacted them about a key for my e90 https://www.themasterlocksmith.com/p...mw-key-repair/ waiting to hear back.
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