E36 M3 3.0 Wont start!! Suspected DME... advice needed please - Page 2

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Thread: E36 M3 3.0 Wont start!! Suspected DME... advice needed please

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    #11
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    I can also do a chip to remove the EWS, but that would have to assume that the ECU is fine, and the EWS has gone wrong somewhere.
    Fault code reads would confirm if the EWS is playing a part.
     
     

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    #12
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    Quote Originally Posted by TheEnd View Post

    Cranking means EWS box is happy with the key.
    Just to add that it may not be 100% the case, on mine the "factory" bmw alarm had been wired up (presumably a dealer retro fit) so that the alarm interrupt replaced the ews starter interrupt so it would crank fine but ews was not playing ball.

    Enda sorted me out with a non ews chip and all was fine and dandy, couldn't recommend the service i received highly enough.
     
     

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    ArcEye (13-09-2011),TheEnd (13-09-2011)

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    #13
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    I was thinking about something like that. A non BMW alarm might add an extra layer into it. Normally, all of the security is looped through the EWS, so if the BMW alarm doesn't want to play ball, the engine won't crank, but an aftermarket system might add in bits.
     
     

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    #14
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    Quote Originally Posted by IainW View Post
    Just to add that it may not be 100% the case, on mine the "factory" bmw alarm had been wired up (presumably a dealer retro fit) so that the alarm interrupt replaced the ews starter interrupt so it would crank fine but ews was not playing ball.

    Enda sorted me out with a non ews chip and all was fine and dandy, couldn't recommend the service i received highly enough.
    Ahh this sounds quite a possibility, the alarm system is a BMW Approved system, but maybe not from the factory. There is separate key fob that locks and unlocks from one button. Its is slim rectangular item (70x25x8mm)with a grey face and black casing...is this standard?

    There is also a red LED on the centre console. This flashes when its locked, turns on solid when you unlock and after about 20 seconds turns off completely.

    I would happily remove the alarm and ews. When you do your chip to ignore ews I take it the alarm system is also ignored?
     
     

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    #15
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    Here is a picture of the key fob, sorry its not great...



    Also pics of the ECU case, looks like waters been in there to me...


    END, does the chip on the top board , at the lower left hand side look standard? It looks like it was on a piggy back board or something...made the two boards touch when you put it back together... when I first took the ecu case off i noticed it was 'to fat' for both the plastic pins between the boards to stay in(where the ribbon cable is)...only one would stay in place...the other side would just pop out!



    Any idea?
     
     

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    #16
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    That's not an original chip, and it looks like it is on a protection board, ie, is scrambles the info so it can't be copied.
    I have a feeling that it already is bypassing the EWS.
     
     

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    #17
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    Quote Originally Posted by TheEnd View Post
    That's not an original chip, and it looks like it is on a protection board, ie, is scrambles the info so it can't be copied.
    I have a feeling that it already is bypassing the EWS.
    Any idea why that would have been done?
     
     

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    #18
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    Usually it would have been chipped a good few years ago, and the board is to stop anyone copying the file.

    http://www.evc.de/en/image_any.asp?t...s.asp%23KEY101
     
     

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    Would this be a performance chip or something to do with the ews?
     
     

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    Quote Originally Posted by ArcEye View Post
    Would this be a performance chip or something to do with the ews?
    It'll more than likely be a performance chip, but as TheEnd said, it's possible that the EWS has been bypassed with it - That protection board will stop anyone else copying it and trying to sell it on eBay for peanuts.
     
     

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