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Thread: 2007 Z4 3.0i rough idling

  1. #1
    Join Date
    Feb 2016
    Location
    Arlington, Texas
    Posts
    10
    My Cars
    2007 Z4

    2007 Z4 3.0i rough idling

    I m new to BMW.
    bought my 2207 z4 about 6 month.
    put over 10k miles without any problem ( now 97K miles),
    but recently when on park or at stop light, engine idling rough.
    I you put in neutral then the problem stop.

    Thank for some input.

  2. #2
    Join Date
    Oct 2012
    Location
    Victoria BC Canada
    Posts
    380
    My Cars
    2004 Z4, 1700 Nomad MC
    Start with cleaning the idle control valve....

    Sent from my iPhone using BF.com

  3. #3
    Join Date
    Feb 2016
    Location
    Arlington, Texas
    Posts
    10
    My Cars
    2007 Z4
    Put new spark plugs.
    check coil packs ( it is OK)
    beside idle problem.
    when accelerated from 0-40 or below 2000 RPM
    It hesitate, like loose some power. or it ran rough
    Once it hit above 2000 it ran smooth.
    Thanks

  4. #4
    Join Date
    Oct 2012
    Location
    Victoria BC Canada
    Posts
    380
    My Cars
    2004 Z4, 1700 Nomad MC
    Did you try cleaning idle control valve.... Won't hurt and it might assist in solving problem by eliminating a potential cause....

    Sent from my iPhone using BF.com

  5. #5
    Join Date
    Feb 2016
    Location
    Arlington, Texas
    Posts
    10
    My Cars
    2007 Z4
    i will tomorrow.

  6. #6
    Join Date
    May 2019
    Location
    Bradenton Fl
    Posts
    4
    My Cars
    2008 750Li
    Old post, but what was the cause?

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