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Thread: Unpleasant engine rattling noise upon startup!

  1. #1
    Join Date
    Apr 2015
    Location
    USA
    Posts
    2
    My Cars
    2014 BMW X1 sDrive28i

    Exclamation Unpleasant engine rattling noise upon startup!

    Hello,
    I recently purchased a 2014 X1 which has 23K on it. One thing I noticed is that upon starting the car the engine seems to emit a rattling kind of sound and then it goes away after a few minutes. Is that something normal due to engine not reaching its ideal temperature or something I need to worry about?

    Thanks

  2. #2
    Join Date
    Nov 2016
    Location
    New England, USA
    Posts
    5
    My Cars
    2015 BMW X1 xDrive28i
    Have a 2015 x1 x28i with 27k miles that does the same. Its faint rattle or rapid clicking noise. Noticeable in park when i first start up. Shift into drive, get going, and its gone in minutes.

  3. #3
    Join Date
    May 2009
    Location
    Miami
    Posts
    246
    My Cars
    97 M3
    It is the wastegate on the turbo.

  4. #4
    Join Date
    Jan 2011
    Location
    Oro Valley, AZ - USA
    Posts
    1,706
    My Cars
    see my signature
    There's also that flapper valve on one of the exhaust tips that may be opened or closed? on cold starts that likely changes the overall engine sound temporarily. Our 2015 X1 sounds like half of a rumbling V8 on startup.
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