2003 e46 auto 316i - lcm flash - please please help, mot due!!!

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Thread: 2003 e46 auto 316i - lcm flash - please please help, mot due!!!

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  1. 2003 e46 auto 316i - lcm flash - please please help, mot due!!! 
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    Hey,

    ive been going round in circles with this problem for ages, got a new lcm. now rear fogs wont turn off. From what ive been told it needs flashing?

    Well i took it too a "specialist" today, he seemed nice enough but said he never heard of flashing before and e46 shouldnt need it. he took the conector socket of the back of one rear light and the ground had burnt out. So he said thats my problem and told me how to fix it. I did fix it, but problem was still the same. Went back and they just said i needed to go and track all the wires back to the loom then shut the door on me. So ive lost faith in them.

    So i gues im asking what do you think i should do? Will it defo need flashing or could something else be wrong?

    Should i buy Navcoder and do it my self?, i tried with the free one and it seems like its simple enough to do, what you all think?

    MOT due in 2 week so i really need to get it fixed! My partner and kids will not be my friends if i havent got a car!

    Please....

    Thanks

    Craig
     
     

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    Hello Craig.

    When you say the Light Control Module is "new", is it "new from over a BMW dealer parts counter" or "new second-hand"?
     
     

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    Oh yeh, its a second hand one. New ones are like £200 i hear, and that you can flash 2nd hand ones
     
     

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    Quote Originally Posted by petrolnut View Post
    Oh yeh, its a second hand one. New ones are like £200 i hear, and that you can flash 2nd hand ones
    Yes, you can flash second-hand ones. I guess you’ve checked the part numbers on the old and new ones, to make sure they’re compatible, and that you’ve checked to make sure there are no other wiring issues. I don’t do much work on old E46’s, but here's how i would do it:

    1. I would read the current ZUSB number from the LCM, using either INPA (LSZ.ipo) or Tool Set 32 (LSZ.prg/LSZ_2.prg).
    2. Now i would flash program the LCM using WinKFP, choosing to update the current ZUSB number and write the cars VIN number into the UIF.
    3. I would then read out the vehicles current ZCS (Central Coding Key) or FA (Vehicle Order) from the EWS module, using NCS, and add it to the LCM (LSZ/ALSZ) if necessary.
    4. I would then re-code the LCM with NCS, to suit the options and modules on your particular car.

    Whether you’ll have problems with the manipulation dot and mileage, i’m not 100% sure without seeing the car. If your “specialist” hasn’t heard of flashing (which i find quite shocking) and you don’t feel competent in doing this yourself (within the two week time-frame), then you’ll need to find a good independent specialist in the Doncaster area, who can do this for you. Here's some more information...



    I hope that helps in some way and that i’ve not bored/blinded you with the science. Good luck mate!
     
     

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