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Thread: Ms41.3 - Standalone Firmware

  1. #1
    Join Date
    Feb 2007
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    louisville ky
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    941
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    87 325

    Ms41.3 - Standalone Firmware

    Since I’ve gone ITB on my Built US S50, the normal tuner I’ve used over the years don’t want to fool with tuning it. The current tune I have doesn’t rev out all the way and has adaptation faults while cruising.

    So, being as Ms41.3 is on the newer side of things anyone know any Track worthy tuners?

    Note, they have a better 16x20 alpha-N map, not the 6x8 fail safe map.

    https://sites.google.com/site/openms...1-3?authuser=0

    Quality BMW service "street, track, race"?
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    1/2 1987 BMW 325is/M Future Spec e30 (track prep'd)
    1994 530It/A Alpinewise III Traded out
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  2. #2
    Join Date
    Mar 2017
    Location
    Oahu / Los Angeles
    Posts
    1,016
    My Cars
    S54 E36
    HTC, Epic and Severn tuning are the ones I know of personally and would let tune my car.

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