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      04-11-2021, 12:55 AM   #1
joweed
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X5M key retrofit

You will need to buy a x5m key clone from eBay/Ali express that matches your keys frequency and send the key to a mobile repair shop that can do micro soldering. You need to transfer the 24 pin chip from you old key to your new key, do not swap the other chip because the key will not work.

Key link for a 434 key https://www.ebay.com.au/itm/Silver-S....m46890.l49286
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      06-07-2022, 02:16 PM   #2
chimpei
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Quote:
Originally Posted by joweed View Post
You will need to buy a x5m key clone from eBay/Ali express that matches your keys frequency and send the key to a mobile repair shop that can do micro soldering. You need to transfer the 24 pin chip from you old key to your new key, do not swap the other chip because the key will not work.

Key link for a 434 key https://www.ebay.com.au/itm/Silver-S....m46890.l49286
do you think this swap would be possible for an e90 with comfort access? Is there a difference between PCF7945 and PCF7953 transponders, and maybe their microschemes? thanks
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