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Thread: Can a Euro Transplant be OBD-II Compliant?

  1. #1
    Join Date
    May 2006
    Location
    arlington heights, illinois
    Posts
    56
    My Cars
    2000 civic si with a turbo

    Can a Euro Transplant be OBD-II Compliant?

    looking at purchasing a full euroswapped car, but live in the wonderful state of illinois, where anything obd2 and newer gets plugged in/scanned for codes every year or two.


    so i guess im curious, what will happen if you plug an obd2 reader into a euroswapped e36? will it connect and show no faults? or will i be out of luck?
    Last edited by MauiM3Mania; 12-25-2009 at 08:13 PM.

  2. #2
    Join Date
    Nov 2004
    Location
    Arlington Heights, IL
    Posts
    2,195
    My Cars
    Z1, M3 LTW, 228

    We need to sticky this

    S50B30 and S50B32 engines have factory dme's that do not support OBD-II testing in any way shape or form.

    The software is simply not place for the dme to provide the requested data for an OBD-II emissions testing station, nor is the hardware.

    Proof postive that it will NEVER be able to work properly is the simple fact that the S50B30 and the S50B32 powered cars never had pre and post catalytic O2 sensors, so that they can't possibly be OBD-II emissions compliant.

    I hope this is simple without being condescending. This issue is raised so many times in so many forums, and in so many different manners, it really needs to be in a FAQ somewhere.

    In addition, a new version of this question is whether a standalone system that might be added to a euro motor or S54 type transplant can be made to pass emissions via an OBD-II plug. The short version of the answer is that it can not be done since the standalone's are not set up either for pre and post cat O2 sensors nor to respond to the data requests via an obd-II plug. I'm sure that it would be a huge violation of laws to build a standalone that did this since it would be so easy to cheat then on emissions.

    Alex.
    Alex Lipowich
    xyobgyn on AOL

    For Sale: E36 325 MTechnic with S54 on stock DME TBA

    Trying to make the world a better place with 5 or now 7 extra throttle bodies at a time.

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