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Thread: Alpha-n Tune on 402 DME

  1. #1
    Join Date
    Oct 2012
    Location
    Brazil
    Posts
    9
    My Cars
    1993 BMW 540i

    Alpha-n Tune on 402 DME

    Hey guys,

    I'm building a E36 drift car, and planning to run the stock M50NV 402 DME on alpha-n (throttle based) tune, with different injectors and E100.

    I'm looking for a nice tuner to do the job. Do you guys have any recomendation?

    Thanks!
    "If everything seems under control, you're just not going fast enough."
    1993 E34 540i "Judith"
    1994 Lada 2105 "Chernobyl"
    1977 Maverick GT 351W "Thor"

  2. #2
    Join Date
    Oct 2014
    Location
    Prescott, Az
    Posts
    439
    My Cars
    '95 540i/6
    Yes it's possible in M3.1, I haven't seen it in 402 DME but have seen it in 403DME. There is a MAF fail table that is 7x6 RPM vs TPS, tuners use that for "Alpha-N"...some guys even make a new map in the blank section of code, tell the tuning to reference that map and then extend the size to 16x16 for higher tuning resolution.

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