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Discussion Starter #1
My E36 has got a standard BMW alarm (two button fob, one red & one white/grey). The battery's quite low, so when I change it do I need to re-sync the fob with the alarm, and if so, how?

Thanks :)
 

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I changed the batteries in both my fobs recently and didn't need to reprogram either of them, they still worked, I didn't mess about though, it was old battery out and new one straight in!
There may be a time limit before it loses its memory, but not sure, google it if it concerns you!
 
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