330ci e46 exhaust flap

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  1. 330ci e46 exhaust flap 
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    hi can anyone help i have a 330ci and the flap inside the exhaust doesn't seem to be working it's open all of the time.
     
     

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    Have you checked the vacuum pipe to it? and looked to see if it's been purposely made to stay open?
     
     

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    and why were you checking it in the first place I would leave it as it is personally. certainly better than the alternative
    2002 325 Compact Sport ti M-Tec---- A little thanks goes a long way
     
     

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    Quote Originally Posted by Ronnie View Post
    Have you checked the vacuum pipe to it? and looked to see if it's been purposely made to stay open?
    how do you check to see if it's been made to stay open?
     
     

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    There is a small vacumn pipe that should be attached to the bottom of the back box of the exhaust. Check to see if it has not come off.
     
     

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    Quote Originally Posted by jason1121 View Post
    how do you check to see if it's been made to stay open?
    The mechanism may have been wired open or the vacuum pipe is off as Neal says.

    See here http://www.realoem.com/bmw/showparts...35&hg=18&fg=20

    http://www.realoem.com/bmw/showparts...28&hg=18&fg=20
     
     

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    the pipe is attached to the mechanism.
     
     

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    Undo it and see that it is not blocked. If it looks ok and there is no vacumn, then you will want to look at the power supply for the electric valve in Ronnie's 2nd link above.
     
     

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