1995 e36 318is coupe ignition problem

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  1. 1995 e36 318is coupe ignition problem 
    #1
    BMW Crazed
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    renagademaster4's Car Details
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    730i v8
    Year of Manufacture:
    1994
    Transmission Type:
    Automatic
    Car Body Type:
    saloon
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    Hi guys , basically ave just bought maself a nice 318 as a possible track car , not be used on the road much , anyway a bought it as a non runner , very cheap , ignition barrel f**ked

    the guy a bought it off said it was fine till the key kept turning one day , he tried fixing it and a think he just made it worse , as he's took it all apart , well as it stands the car doesnt start , it goes thru all the stages to start just doesnt turn over , all the lights come on the guages and so on

    ave done sum reading and a believe a cant just replace the ignition barrel and key with another as they are coded to the ews/ecu ? correct me if am wrong , its my first BM :

    dont want to or really afford to go get the key coded at BMW as ave been told its £100+ , and as its going to be a track car dont want to spend lots on it

    a had the idea of just changing the ecu for a <94 ecu with no ews as beeing a track car and garaged a dont mind it not having any alarm or immobilser , what a need advice on is can a just swap my ecu for one from a <94 ecu that doesnt have an ews ? or is there away to keep my setup but bypass the ews ?


    any help would be greatly apprieciated

    and thanks in advance
    Last edited by renagademaster4; 19-02-2010 at 17:12.
     
     

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    #2
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    renagademaster4's Car Details
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    just thinking maybe this isnt the best subject to be descussed on a public forum as any dodgy types could very easily use it to steal our cars , so if anyone has any info that shouldnt be made public stick it in a pm
     
     

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    billywhizz1984's Car Details
    Model of Car:
    E36 323i x 3, 325TDS x 1, 320i x 2, 318is x 1
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    1999 x 2, 1998, 1997 x 2, 1996, 1995
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    All of this info is in the public domain anyway.

    I know you've mentioned issues with the ignition but they are also symptoms of a flat or poor battery or earth - have you checked this issue first? Assuming you have...

    The ignition barrel has a transponder ring around it linked to the EWS system that picks up the chip in the key. You can replace the barrel but you have to take the chip out of your key and attach it to the new key to make it work, or change the EWS system and ECU (BMW speak = DME) as you say. You can't change it for the EWS for non-EWS without a lot of re-wiring.

    This video explains about the spinning lock issue and may be useful to you.

    <A href="http://www.youtube.com/watch?v=tETEtb5Yr_o" target=_blank>
    Last edited by billywhizz1984; 19-02-2010 at 23:02. Reason: typo
     
     

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    #4
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    renagademaster4's Car Details
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    1994
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    both the transponder ring and the barrel are both in bits , at very least a would need a new transponder ring , can a just replace the transpoder ring ?

    its not an earth or battery problem

    a have it turning over , cut and spliced the black/yellow wire and the green/black wire together on the ews

    that lets it turn over but still no spark/fuel obv because the ews is kicking in

    a know the blue wire from the ews supplies the feed to the ecu , could u dummy a 12v feed to the ecu on the blue wire ?


    a had read sumwhere else a could swap the DME for one the same but with a red label and the same last 3 digits or sumthing ?

    and thanks for ur reply billy
     
     

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    #5
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    billywhizz1984's Car Details
    Model of Car:
    E36 323i x 3, 325TDS x 1, 320i x 2, 318is x 1
    Year of Manufacture:
    1999 x 2, 1998, 1997 x 2, 1996, 1995
    Transmission Type:
    Manual, Auto, Auto, Manual, Auto, Auto, Manual
    Car Body Type:
    Touring x 4, Convertible x 2, Coupe x 1
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    The transponder ring is effectively the immobiliser "switch" operated by the chip in the key. If this is broken or disconnected then the car won't start. The transponder ring itself isn't coded, its just a means of picking up the signal from the chip so you could just replace it. Providing the chip in the key and the rest or the wiring is good (even if you have had to hot-wire it) then the car should start. Make sure the key is inside the transponder ring before you try turning it over else it won't pick up the signal.
     
     

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