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  1. #1
    Jack
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    Engine bay noise when car isn't running, help!

    Just picked up my 2007 335 coupe. Love the car. Only 15,000 miles. With CPO I have 3 years coverage, and because I financed at least $7,500, I get an additional 2 years of free maint!!!!

    I went out to make some settings using the I drive, and heard a noise from the engine bay. Every 25 seconds for about 3 seconds. Sounds metallic, like a motor is running. Car has not been driven for a few hours.

    Any idea what this could be?

  2. #2
    floydr
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    Water or oil circulation pump - keeps turbos cool

    It runs after shutdown to prevent coking of the oil in the turbo.
    Also, read the manual on "residual heat" in the hvac section.

  3. #3
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    Member No: 37990 ctuna_97 is an unknown quantity at this point ctuna_97's Avatar
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    Electric Water Pump goes after car stops

    Its a pretty cool feature actually.

  4. #4
    Jack
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    After 2 hours and 32 degree temperatures?

    Seems like it would stop after engine cooled downd. I checked the residual heat. Not activated.

  5. #5
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    I would think it wouldn't stay on that long

    Maybe you should start asking your SA what is normal.

  6. #6
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    Member No: 59049 hoscarnag has a little shameless behaviour in the past hoscarnag's Avatar
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    never heard any noise like that in mine



    <a href="http://s131.photobucket.com/albums/p315/hoscarnag/roadflypix/?action=viewĄt=335siggy.jpg" target="_blank"><img src="http://i131.photobucket.com/albums/p315/hoscarnag/roadflypix/335siggy.jpg" border="0" alt="Photobucket"></a>
    2008 335i Coupe Alpine PP SP CWP Saddle Heated Seats Comfort Access Sirius iPod PS2s(non-RF!)

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