2nd Gen R56 Cooper S Most liked posts in thread: Breathing sound associated with idle drop

  1. MCS02

    MCS02 Moderator
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    #2 MCS02, Apr 20, 2014
    It sounds like a vacuum leak. Make sure all the lines are attached and there are no cracks in any of them. Also have you checked to see if it is showing any codes?
     
  2. Stuartfwl

    Stuartfwl New Member

    Apr 20, 2014
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    #3 Stuartfwl, Apr 20, 2014
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    I was trying to isolate the sound to specifically understand where it is coming from but it appears to be coming from beneath the first cover of the valve cover. Anyone know how to remove this?