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Discussion Starter · #1 · (Edited)
Just looking for peoples general opinion on replacing the battery on the e46 fob, was working fine from a decent range until about a week ago and now it doesnt work at all, using my spare key atm and have heard that dealers charge a small fortune in comparisent to buying a battery! Im also a bit sceptical of this charging while its driving! Is it tough to get it exactly right in terms of placing of the solder points cheers!


Should also add in tried reprogramming 4+ times to no joy works fine with the spare key just not the key i use everyday!


Edit; is there a way the dealers can check if it is just the battery without robbing the shirt from my back, Thanks again!
 

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A decent locksmith that does car keys can test if the key emits anything ie a radio frequency or at least tell you what best option is.
 

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I seen an ad today on donedeal, 50euro to have the battery replaced and key reprogrammed,.

Hope of some help to you
Just a piece of advice, just be very careful of handing
your keys to any DIYer as there loads of cars taken
nowadays in less than 60 seconds. Don't
reveal too much info specifically your address.
BTW,There is a guide in YouTube on how to do it.
 
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