E36 328i, M50 transplant, what to do with EWS?

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  1. E36 328i, M50 transplant, what to do with EWS? 
    #1
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    CarlosValderrama's Car Details
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    Hi all,

    New on here, but I've been messing with BMW's since my first 518i.

    My current one is a £300 328i with a blown engine. I have a non-vanos, non-ews 2.5 M50 to go in and I'm unsure of what to do about the EWS. I have the ECU for the 2.5 included in the sale. I have no idea whether the ignition will look for the ECU, not find it and shut everything down, or whether the ECU will accept whatever the ignition tells it and fire up.

    For detail, this is a track car, and security is not an issue. If the simplest method is to ignore the key and immobiliser and fit a row of switches, then that's the method I'll go with.

    thanks for any help..!
     
     

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    TheEnd's Car Details
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    You will be able to just gut the EWS system completely. This worked by checking keys etc, and if happy, telling the ECU it's ready to go.

    The new ECU isn't waiting for this code so will run fine without it.
     
     

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    CarlosValderrama (09-08-2010)

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    #3
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    CarlosValderrama's Car Details
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    Excellent news!

    Many thanks. I have all the wiring diagrams, so I'll check it out.
     
     

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    #4
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    TheEnd's Car Details
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    The EWS will connect through one pin to the ecu.
    For EWS, it sent a data signal down this wire, but older ECUs used the same pin as a shut off, grounded was stopped, open was run, so take a look at that wire.
    You may find that just unplugging the EWS box gets it to run.

    there are other people who have done the conversion so help is always about if you get stuck.
     
     

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