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Thread: Bmw f30 318d noise 1 Monty after remapping

  1. #1
    Join Date
    Sep 2017
    Location
    Denmark
    Posts
    1
    My Cars
    318d

    Bmw f30 318d noise 1 Monty after remapping

    Hi
    One Month Ago i had my bmw 318d remapped.
    Now it makes a Weird whining noise when it is cold from appeoximately 1500 rpm.
    It has only 90 thousand kilometers.
    When engine is warm it goes away?
    What can this be.?

  2. #2
    Pelican Parts's Avatar
    Pelican Parts is offline Senior Member Supporting Vendor
    Join Date
    Aug 2013
    Location
    Harbor City, CA
    Posts
    4,242
    My Cars
    '02 E39 Touring
    Hello and welcome to the forum! Are you able to post a clip of this noise - it'll be easier for us to help out that way. Other than the noise, how does the car perform?
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  3. #3
    Join Date
    Jun 2002
    Location
    Aberdeen, NC (yes, again)
    Posts
    23,713
    My Cars
    E39M5, E500 4WD
    It's not the remap.

    Likely either an intake leak, or a failing pulley.

    Chris Powell
    Racer and Instructor since, well. decades, ok?
    Master Auto Tech, owner of German Motors of Aberdeen
    BMWCCA 274412
    German Motors is hiring ! https://www.bimmerforums.com/forum/s...1#post30831471

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