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Rough startup idle issue found, need help in identifying the hose

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    Rough startup idle issue found, need help in identifying the hose

    Every since I owned the car, when I lifted the throttle after hard acceleration I would hear a hiss and was never sure where it was coming from. It almost sounds like a blowoff valve from a turbo car.

    Today I was researching the weird rough idle I would get when I first start the car every day. I was poking around looking for the ICV and saw this crack in this hose that the other end connects to a nipple on the intake boot.

    But I'm having problems finding it on realOEM so I can order a new one. So anyone help me out?



    Last edited by MC Hammered; 04-04-2016, 04:50 PM.


    My 1989 e30 s52 Touring... this is Betty

    My 1989 325i vert (sold)...this is Nina

    My 1991 M5 (sold)... this is Veronica

    Photo comparison: OEM vs aftermarket windscreen for a convertible

    #2
    Found the hose as it is listed on the "fuel preparation system" diagram and not "engine"

    Idle control valve hose, part 13411738186

    Going to skip ordering the cheaper Uro brand and get one from Germany.

    Used some duct tape to close off the leak and the car starts up great!


    My 1989 e30 s52 Touring... this is Betty

    My 1989 325i vert (sold)...this is Nina

    My 1991 M5 (sold)... this is Veronica

    Photo comparison: OEM vs aftermarket windscreen for a convertible

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      #3
      I had the URO one and it ripped before I even started my motor. Bought one from the dealer and you can tell instantly the rubber is much better quality.

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