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  1.  
    #41
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    neumo's Car Details
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    Usefull stuff & I hope I never have to use it for real
     
     

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    #42
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    RichyD89's Car Details
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    Just had to fix one key today, worked just fine ! will be ordering another battery to fix my spare

    my thanks to the originator !

    RichyD
     
     

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    #43
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    Fixed mine today. Thanks to the originator. Now to order another battery for my dead spare !
     
     

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    #44
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    roy mawbey's Car Details
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    New guy here, but thought I would pass my experience with the key fob on to you. Bought my 12 year old 318i SE with little history but still with 3 keys. Only one of the battery operated keys worked. Read all the posts on this thread which really gave me a lot of info on what to do.

    I tried running the car with key that did not work and hoped to re-charge the battery. It didn't so I ordered the correct Panasonic replacement battery. I checked the battery reading when it arrived on the volt meter and its perfect. So I then took a considerable time cutting the keys outer body to gain access to the PCB and battery. The tip that the sealing also goes on the flat area ( the hole where you attach the key ring ) really helped me as that was not obvious.

    Now, why I don't know but after gaining access to the battery I checked the voltage and expected it to be dead. It wasn't it was fully charged. So holding the the key together with masking tape I then initialised the key using the instruction. It worked perfectly but the other key had worked okay didn't. So then I re- initialised both keys following the instruction. Both keys now work perfectly.

    The tip: check the non working key by initialising it before you go any further before cutting with the knife.

    Roy
     
     

  6.  
    #45
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    I=p/u's Car Details
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    Hello just got 320d touring 2001 and one key unlocks it and the other starts it., would be great I both worked fully. So one key doesn't start it, so I'm thinking maybe needs programming just. The other doesn't work central locking so maybe needs battery,,,,,,
     
     

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    #46
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    I=p/u's Car Details
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    well this helped me already, but was also in the manual i see.

    had 2 keys 1 to open and close and the other to start , now both start car and just need to work out how to open and close with both, but im sure needs new battery or something.... cherrrrrrrrrrrrrs
     
     

  8.  
    #47
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    , i had one key that opens and closes it and one that starts it, after pieces from this guide ive got the two keys to start the car now, anyone know why central locking aint working now, does the car require any battery power to start it as it works for this but not central locking,.... Il drive few miles tomorrow on the open /close key then try again....

    Is their anything else that would stop from opening and closing ..... And stop! Cheers t.
     
     

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    #48
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    hello as you know i had 1 key to lock and and one key to start, following this i was abe to get both keys to start but it doent seem to hold the programme once i remove... if you can hep anyone cheers
     
     

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    #49
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    Great writeup. I did this a couple of weeks ago and had no problem. I didn't actually solder the battery as I expect to do it again sometime. With sharp nosed pliers I put a small kink on the connectors so that when the two halfs are put back the connectors are pressed (lightly) into contact. Works perfectly.
    Now we need a sensible way to program/copy the transponder.
     
     

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