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NEW JB4 Install 2021 M440i G22

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  • NEW JB4 Install 2021 M440i G22

    Could you please review the attached logs? The vehicle is completely stock and running on 93 octane. What map should I be running?
    Attached Files

  • #2
    I'd stick with map 1, you appear to be octane deficient. Map 0 looks clean, map 1 looks pretty normal but as you add more boost, timing gets worse. To run more boost, you need better fuel or meth.

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    • #3
      Originally posted by Steve @ BMS/Fuel-It! View Post
      I'd stick with map 1, you appear to be octane deficient. Map 0 looks clean, map 1 looks pretty normal but as you add more boost, timing gets worse. To run more boost, you need better fuel or meth.
      Thanks for the review, Steve. I was running on some older gas and an almost empty tank. I decided to refuel re do the run. If you could review the new logs and provide your input. Thanks again!
      Attached Files

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      • #4
        Still have quite a few corrections...I'd probably stick with map 1 on this fuel.

        Click on our banner to visit our website!
        Video of our Stage 2 LPFP upgrade installation.

        BMS products labeled for use only in competition racing vehicles may only be used on competition racing vehicles operated exclusively on a closed course in conjunction with a sanctioned racing event, in accordance with all federal and state laws, and may never be operated on public roads/highways.

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