1995 E36 328 Jul Coupe and 1994 E36 325 Oct Coupe - OBD1 diagnostic pick list required.

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Thread: 1995 E36 328 Jul Coupe and 1994 E36 325 Oct Coupe - OBD1 diagnostic pick list required.

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  1. 1995 E36 328 Jul Coupe and 1994 E36 325 Oct Coupe - OBD1 diagnostic pick list required. 
    #1
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    Ok I've read a load of the threads in here and anything pre OBDII seems quite vague or hit and miss.

    The warning light thread a few steps down seems a good one for the flash codes.

    However, so far a Peake Research tool isn't looking too bad at around £100 / £120 and seeing s there is very little, if any live data pre OBDII might well be the best choice.

    However, I would be very interested to hear what others are using for pre OBDII cars for around £100 or less.

    Ideally what you have, what it would do, how much and where it's available.

    On some other makes an ALDL interface or similar can be made with a couple of resisters and transisters, interesting in anything like this too.


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    #2
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    20 hours and no response on here?

    Well I guess that answers it then: No there isn't?


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    #3
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    No simple tools apart from the flash codes from the accelerator pedal on 325s etc.

    The rest tends to be clones/copies of more expensive tools

    carsoft can be bought officially cheaper these days

    another is
    http://www.mavericktechnology.co.uk/...agnostic-tools

    but i've never used it.
     
     

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    #4
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    OK so 325i flash codes obtained due to this thread

    Can anyone give me the pin outs of the 20 Pin BMW socket for the ODB1 car particularly the 325 as I'm wondering if it's basically the same as the "ALDL" as seen on GM.

    Could also do with the same for the 328 as it is not ODB2

    Thanks


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    #5
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    It'll only be 3 pins, a live ground and the K -line, but the K-line is a diagnostic data line so it'll need the correct software and hardware to interface with it.
     
     

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    #6
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    Probably need an old / spare / faulty ECU from somewhere that responds to diagnostics to play with. Interface isn't a problem, depends how cryptic the data stream is.

    Just curious really


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    #7
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    Grab yourself something off ebay, I've got a big collection which i use for testing, and i think they cost between 99p and a fiver.
     
     

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    #8
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    Do they anserw with EWS missing?

    Actually do either of the above have EWS even?


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    #9
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    Yea, for pinouts on an ECU, you need 1 ground, a permanent live, a switched live from the DME relay, a power signal from the ignition key, and then just connect the K- line / diagnostic connection.

    It'll then tell you all you need.
     
     

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    #10
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    While I have your attention I read various things about the MS41 ECU that I believe will be in my 328.

    Some say OBDII others say not., some say flash and some say not. Is this the case? I understand all are OBDII capable but only later ones are running OBDII firmware, or are al OBDII and I just need to "adapt" to the socket?

    My understanding is my car is not OBDII by the diag socket having pin 15 (I think) populated.

    My car has a build date of WK24 June 1995

    Thanks


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