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Simulated Narrowband into motronic

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  • #16
    Wow, so on second thought I am not picking one up on eBay. I guess I am spoiled by the fact the M1.x units can be found for ~US$50 pretty often. I will just stick to doing parallel work on the subsystems which are identical between the two units. Sorry about going off-topic...
    When trouble arises and things look bad, there is always one individual who perceives a solution and is willing to take command. Very often, that individual is crazy. - Dave Berry

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    • #17
      Atsome BMW forum I found something nobody meantioned yet.
      Motronic is expection a 0.1 - 0.9V signal, LC1 standard configuration is 1.1V.
      I changed this and during warm up/error I set 0.45V (Lambda 1), no DTC yet.

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      • #18
        The problem is not DTC, the problem is when you restart on hot engine with the gauge cold the fuel trim will run away without the patch i have in my software.
        http://tuner.ee - http://www.facebook.com/tuner.ee

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        • #19
          When the Lambda signal is lambda 1 too?

          I will take a look into your patch.

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          • #20
            It depends how exactly "1" it is...
            A delay is all that is needed.
            http://tuner.ee - http://www.facebook.com/tuner.ee

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            • #21
              Ok I see the issue, thanks! I will inspect your code and try to understand

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