Icv delete

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  • Thicc
    Noobie
    • Apr 2022
    • 7

    #1

    Icv delete

    My m50 idles fairly well, the main problem I have is during start up. It presses throttle by itself and Rpm's increase to 5K on a coollddddd starttt. Ouch
    It does that for only one second, and then goes back to normal cold start idle, 1500.

    So I came to the conclusion that, for some reason, the ICV during start up stays fully open for a second, this is killing me lol.

    So I said heck let me try to delete it and see what happens, I just took the connector off and manually closed the icv, car starts without pressing throttle and idles perfect (except on cold starts, its a nightmare)

    NOW HEAR ME OUT

    I noticed something interesting. After deleting the icv the throttle response is on another level, the rpm gain and drop are super fast, its like you put on a lightweight flywheel.

    What do you guys think?

    Sent from my SM-N950F using Tapatalk

  • e30davie
    E30 Mastermind
    • Apr 2016
    • 1788

    #2
    Sounds like something was wrong with it before. BMW didn't design it to do what you describe.

    Comment

    • pazi88
      E30 Addict
      • Sep 2015
      • 584

      #3
      Something is wrong in your engine. Fix it.

      Comment

      • Thicc
        Noobie
        • Apr 2022
        • 7

        #4
        I cant figure it out though..
        Tried different ecus, vacuum leak tests, all that.

        Sent from my SM-N950F using Tapatalk

        Comment

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