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Thread: E38 BBX limitations

  1. #1
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    Default E38 BBX limitations

    Just starting to work on an E38 ECM and noticed that you can log quite a few more bytes than the old LS1B's. I'm pretty sure the limitation for the LS1B is 24 bytes. In V8 Scan and Tune - BBX - it shows 42 bytes for the E38. I know that if you add more bytes to your PID list, then the logging speed goes down.

    Am I reading it correctly that I can have 42 bytes for the E38, or should I stick with 24 bytes?

  2. #2
    EFILive Developer Site Admin Blacky's Avatar
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    I don't have the figures/times with me right now but yes the CAN based controllers will log more data and log it faster than the VPW controllers.
    Regards
    Paul
    Before asking for help, please read this.

  3. #3
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    Does anyone have a comparison for logging speeds? I seem to remember that for the LS1B, 24 bytes of PIDs comes across at ~10 frames / second. I was wondering if for the E38, 42 bytes of PIDs translated to ~10 frames / second, of if it was even faster. Or maybe if I kept it down to say 24 bytes, that it would be xx frames / second???

  4. #4
    Joe (Moderator) joecar's Avatar
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    V7 can log 24 pid channel from an E38 at 40 frames/second.

    V8/V2 would be able to log 42 pid channels at 40 frames/second as far as I can tell.

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