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Thread: Excessive water vapour at idle

  1. #1
    Join Date
    May 2005
    Posts
    31

    Default Excessive water vapour at idle

    I've noticed quite a bit of water vapour from my exhaust at idle (below about 10 - 15 degrees C). No coolant smell or anything, and I've not noticed it while driving. Should I be concerned or is this normal?

    1989 535i
    5 speed, Manual
    240,00km
    Last edited by IN10CT; 07-06-2005 at 10:40 PM. Reason: more info

  2. #2
    Join Date
    May 2005
    Posts
    31

    Default

    I should have searched for this one first. I have noticed it most after restarting the car after being parked for a couple of hours. Someone mentioned condensation burn off, and this sounds like a plausible explanation. I'll check the coolant to be sure though.

  3. #3
    Join Date
    Dec 2003
    Location
    baton rouge, loserana
    Posts
    6,922

    Default

    it's common due to the large size of the exhaust systems in these cars taking a long time to heat up
    all america wants is cold beer warm cat and a place to take a poop with a door on it

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