1999 E46 318 - is it possible to upgrade your key?

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  1. 1999 E46 318 - is it possible to upgrade your key? 
    #1
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    i have the horriblre old square key and want rhe new shape one
    http://cgi.ebay.co.uk/NEW-UNCUT-BMW-...d=p3286.c0.m14

    it says here that you simply swap the internals and have the blade cut. is this possible? has any1 done it?

    cheers, craig
    E39 525I
     
     

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    post ur existing key piccie ill break 1 of mine apart and post tomorrow so u can judge urself


    The monkeys keep making me drift......
     
     

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    Craig, if you have this key then it's not possible because the buttons are in the wrong place



    However, what you can do is buy a key with the electronics in it, change your transponder out, and then program it to your car ...could be a tight fit for the transponder though.
     
     

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    How or who can do the programmin?

    Class--
     
     

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    Quote Originally Posted by Class-- View Post
    How or who can do the programmin?

    Class--
    Search the forum on E46 key programming...lots of posts mention it
     
     

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    just to confirm the previous posts
    I spoke to a bmw dealer today in bedford they said there is no known way to transfer the internals from the old key to the modern key the new key lay out is deeper and narrower also the buttons dont align,hope that helps


    The monkeys keep making me drift......
     
     

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    Quote Originally Posted by louis1978uk View Post
    the new key lay out is deeper and narrower
    Hmm I spy an oxymoron

    But louis don't forget anything is possible with a lil thought and a solder iron I would try this but I'm in cba mode. I will either snap out of it when I know for sure I'm keeping the car or when I sell it

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    Louis is right, there is no way to transfer the electronics because the internal PCB is bigger and the buttons are in the wrong place on the older key. Like I said, the only way this is possible is to buy a new version key with the electronics built in and transfer the transponder chip out. Even that one could be a challenge because the chip is quite big in the older key.
     
     

  11. The Following 2 Users Say Thank You to xXNealXx For This Useful Post:

    craigledden (01-08-2009),louis1978uk (01-08-2009)

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    hmm, i think im guna have a bash at this chears neal
    E39 525I
     
     

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    #10
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    ok so i opened my key up 4 a look, if i buy a new key with the internals in and a new blade what part do i need to transplant?. all i can see is the battery a circuit board and a little black thing (is this the transponder) if so it looks pretty easy to exchange the transponders as it is tiny??
    E39 525I
     
     

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