Chris NottSky Insurance
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  1. #1
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    chipping my B5 - dont want to mess with the ECU

    Hey

    I think this is my first post hare
    so its like that :

    My car - a 99 B5 with a full set up incl. w/m
    I have a sealth racing custom chip (thru a dealer in my country )
    but we havn't finish it yet ands regarless to that this is not my last one cuse soon i'll have a big turbo
    My ecu us 558E and we need to open the ecu to manually change chips on every version we do
    (I have a socket so we wont have to wels lt ) but i'm looking for a solution that we can do it
    thru the diagnostic plug

    anyone know how ? how did you make you own chip ?

    THX

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  3. #2
    "Stick a V8 in it!"

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    The older M3.8.2 ECU's simply arent programmable via the diagnostic port.

    You can use an M3.8.3 ECU from an AGU engined A3 or Golf, which can be flashed using MPPS or other similar flashing tools.

    2000 A4 1.8T Sport Quattro Avant, Berry Pearl
    2000 A4 1.8T Sport Quattro Saloon, Black-ish
    1997 S4 - PPC £999 Challenge Track Car Build
    TD5 Land Rover Defender build


  4. #3
    "Stick a V8 in it!"

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    The other option is an EEPROM emulator, that plugs into the socket in place of the original chip, and is connected to a computer.

    This allows you to make many changes without having to write out a new chip until you've finished the mapping.

    2000 A4 1.8T Sport Quattro Avant, Berry Pearl
    2000 A4 1.8T Sport Quattro Saloon, Black-ish
    1997 S4 - PPC £999 Challenge Track Car Build
    TD5 Land Rover Defender build


  5. #4
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    thanks !

    How can i match a golf or A3 ECU to my car ? what i need to do so that fits ?
    the eeporm is no good i think ... becuse the tuner is in the UK (stealth racing) and i'm in Israel

    another problem is that the originak chip is not re-writeble which means that we must use a new chip for every version (cost around 5poundsd)
    Last edited by andernalin_junk; 14th November 2011 at 08:26.

  6. #5
    "Stick a V8 in it!"

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    You can either remove the immo completely, or use vagtacho or similar to fetch the Secret Code and program the ECU.

    All of this is a moot point though, because MPPS is expensive (~2000 Euro), and completely uneconomical for one bloke wanting to flash his ECU. Its the type of tool a tuner would buy, as he'd be using it to map many cars. Given you dont have access to the tuner, you arent going to have access to MPPS.

    The later ME7 ECU's are flashable easily via the diagnostic port with cheap/free tools, but they will require you to convert the car to electronic throttle.

    2000 A4 1.8T Sport Quattro Avant, Berry Pearl
    2000 A4 1.8T Sport Quattro Saloon, Black-ish
    1997 S4 - PPC £999 Challenge Track Car Build
    TD5 Land Rover Defender build


 

 

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