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Thread: E39 540i ME7.2 ECU raise idle and rev limit

  1. #1
    Join Date
    Jan 2008
    Location
    Missouri
    Posts
    690
    My Cars
    '02 540i/6

    E39 540i ME7.2 ECU raise idle and rev limit

    I currently have a DUDMD tune on my 2002 e39 540i/6. M62B44TU. Love the tune, I'd just like to raise the idle speed from 700 to 800RPM, and raise the rev limit a little higher, currently set to 6500, wanting to raise it to 6700.

    Wanting to raise the idle mainly so I can just let the clutch out from a stop and get rolling without having to slip as much, or at all.

    Wanting to raise the rev limit,as I hit that 6500 limit quickly and I'd like to leave a little right room so I can shift right at 6500.

    I have INPA, NCS Dummy & Expert, and my K+DCAN cable. I might even have a Galetto 1260 in a box somewhere. Can anyone walk me through, or point me in the direction, of the steps I would need to take? I'm not wanting to change or modify anything else. I don't have DIS installed, but if needed I can install it.

    Thank you folks.
    Last edited by Iamthebull; 01-18-2023 at 06:11 AM.

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