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      11-08-2024, 02:55 PM   #1
Lyderis
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BMW E91 keyless and key fob

Hey guys. I have problem after battery change (car was bought with died battery), keyless and key fob doesnt work anymore. Everything works fine except keyfob. Keyfob batteries also are changed. What to do next? i have bimmerlink and ista+
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      11-08-2024, 04:12 PM   #2
ptpending
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the short circuit outside handles connected to passive go module in trunk right side burn the fuse the remote key function is not working
check the wiring, water trunk right side and replace hande and or passive go module
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      11-08-2024, 05:15 PM   #3
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Quote:
Originally Posted by Lyderis View Post
Hey guys. I have problem after battery change (car was bought with died battery), keyless and key fob doesnt work anymore. Everything works fine except keyfob. Keyfob batteries also are changed. What to do next? i have bimmerlink and ista+
Did you register the new battery? Otherwise DME will still think you have the old battery and will disable features such as keyless entry etc.
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      11-09-2024, 01:28 AM   #4
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Yes, i registered new battery.
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      11-10-2024, 02:09 PM   #5
GoRomeo
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Yes, i registered new battery.
Check the module inside trunk next. These tend to get moisture and go bad. I replaced mine in my E88 a few months back.

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      11-11-2024, 05:28 PM   #6
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The E91s are notorious for broken wiring at the hatch hinge. Something fun to look for!
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