Remote key battery replacement! - BMW Forum - BimmerWerkz.com
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#1 (permalink) Old 04-10-2010, 11:44 PM
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Question Remote key battery replacement!

I recently purchased a 2001 325i(or Xi) and the remote key worked 2wice maybe but was very delayed, now it doesnt respond whatsoever. I have also tried to resync the key without success.

I read here:Diamond Key Battery Replacement - E46Fanatics


He stated replacing the battery TYPE (Panasonic VL-2020 Lithium Coin Cell battery) from any shop that sells specific batteries will fix the problem.


The problem is that i only have ONE key with this car, one master.


Can i still perform the procedure above mentioned in link with success??

thank you!
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#2 (permalink) Old 04-11-2010, 01:53 PM
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The battery should charge itself if you drive for a long distance. But that will only work if the battery can hold a charge.

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#3 (permalink) Old 04-11-2010, 02:27 PM
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Quote:
Originally Posted by yammahamma View Post
The battery should charge itself if you drive for a long distance. But that will only work if the battery can hold a charge.
So chances are likely, being almost 10 years old, and probably used as the master key for 90% of the time, it may be safe to say that the battery can no longer hold it's charge?
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#4 (permalink) Old 04-11-2010, 04:14 PM
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^^ That is VERY likely the case.

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#5 (permalink) Old 04-11-2010, 11:19 PM
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.. And so by replacing such battery, remote key may work again, after resync??


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#6 (permalink) Old 04-12-2010, 02:11 AM
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if you break it, you could just use it manually open the car by sticking in in the hole. ()

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#7 (permalink) Old 04-12-2010, 09:59 PM
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Thats my current method, But i was concerned if i accidentally destroyed the circuitry if it will still lock/unlock manually..?
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