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Thread: High Idle RMS SC 95 M3

  1. #1
    Join Date
    Dec 2003
    Location
    Bay Area
    Posts
    2,671
    My Cars
    E36M,E46M,951S,CBR

    High Idle RMS SC 95 M3

    Hey guys im getting a high idle issue, which i think its a tuning issue but want to get your view on it

    So i have a 95 M3. Replaced all intake/coolant hoses underneath the intake manifold as well as changed all gaskets and cleaning out the ICV. When I disconnect the battery and reconnect it, the car would run fine. idle at its normal rpm at ~700. the more i drive it (after couple days) the idle would slowly go up and top out at 1200rpm. this would continue everytime i start the car and drive it soft or aggressive. i disconnected the battery, left it alone for 15 mins, reconnected it, and the car would idle back at ~700. and like before, it would take a couple days of driving before the idle would top out at 1200. Any suggestions?

  2. #2
    Join Date
    Aug 2017
    Location
    Savannah, GA
    Posts
    77
    My Cars
    E36 M3 Turbo, 2015 GTI,
    Vacuum leak or tuning...Perhaps your car was tuned with a dirty ICV?...That would be my thought on it...Have you done the ether spray test to look for any leaks?
    Ken

    95' Dakar M3
    (GT35) 500whp+ and no clue what I'm doing....
    Steedspeed Twin-scroll Manifold, Wiseco 8.8:1 CR, K1 Rods, Supertech Valvetrain, ARP Main Studs, o-ring block, GTR 12mm head studs, GT35R with 86mm HTA billet compressor wheel (GT3586RHTA) Twin-Scroll 1.06 AR, Schrick Cams, TRM Tuning, 6 Speed Transmission, UUC Twin Disc Clutch, HFS-6 W/M injection, Zeitronix, Coilovers, Chassis Stuffs.

  3. #3
    Join Date
    May 2018
    Location
    Thailand
    Posts
    2
    My Cars
    1998 BMW M3 Coupe
    Hi!

    Supertech Valvetrain, ARP Main Studs, o-ring block , GTR 12mm head studs
    Appvn, GT35R with 86mm HTA billet compressor wheel (GT3586RHTA) Twin-Scroll 1.06 AR, Schrick Cams, TRM 3DS Emulator Tuning, 6 Speed Transmission.


    -------------------
    Alli
    Jio4GVoice
    Last edited by 6Alli; 05-11-2018 at 01:57 PM.

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