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461 posts

Ultimate Geek

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#272839 19-Jul-2020 15:13
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My son's bought a 2006 BMW 120i but it only came with one key/FOB. This has me a little paranoid in case he loses it he'll be stuck.

 

 

 

I've heard they are quite expensive to replace and I did find a guy on Facebook that will provide one for $260.

 

 

 

On aliexpress I can buy a FOB with transponder chip for about $20. There seems to be guides to sync the FOB to your car by going through a certain combination of key presses but I'm worried that potentially this could unsync the current FOB. Also I've read conflicting advice that this only does the unlock and you still need to program the transponder chip.

 

 

 

Can I take my cheap aliexpress $20 FOB down to somewhere with the original FOB and get them to program the second one? 

 

 

 

Any other suggestions? 


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1369 posts

Uber Geek

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  #2525644 19-Jul-2020 15:40
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Where are you?

If in Auckland go to Express Keys.

They are unlikely to answer the phone so you may have to turn up. I did, and they had two keys done in 45 minutes.

I have another contact in Wellington but don't remember the details off the top of my head.



461 posts

Ultimate Geek

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  #2525845 19-Jul-2020 22:20
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I'm in Hamilton

How much were your two keys?

 
 
 
 


190 posts

Master Geek


  #2525848 19-Jul-2020 22:51
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logo:

 

My son's bought a 2006 BMW 120i but it only came with one key/FOB. This has me a little paranoid in case he loses it he'll be stuck.

 

 

 

I've heard they are quite expensive to replace and I did find a guy on Facebook that will provide one for $260.

 

 

 

On aliexpress I can buy a FOB with transponder chip for about $20. There seems to be guides to sync the FOB to your car by going through a certain combination of key presses but I'm worried that potentially this could unsync the current FOB. Also I've read conflicting advice that this only does the unlock and you still need to program the transponder chip.

 

 

 

Can I take my cheap aliexpress $20 FOB down to somewhere with the original FOB and get them to program the second one? 

 

 

 

Any other suggestions? 

 

 

$125 from the dealer. You need the chip to start the car and they are ordered from Germany. The chip is in the keyhead, not the fob. FOB is just a remote.

 

 

 

Edit: ignore that^^, I misread your post.  If it's keyless start you can program a second fob yourself.  Same way as E39 which I have.

 

 


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