noisy on start up

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kevinw.shaw@virgin.net - 02 Oct 2006 17:00 GMT

Hi
Just got a 318 2003 model and when i start from the cold the engine is
noisy as if there is a high power fan running somewhere. What is it
please as this noise stops after a couple of minutes. Is it normal and
if so should it be noisy or is there something wrong. Many thanks.
Kevin

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Fred W - 02 Oct 2006 20:59 GMT

> Hi
> Just got a 318 2003 model and when i start from the cold the engine is
> noisy as if there is a high power fan running somewhere. What is it
> please as this noise stops after a couple of minutes. Is it normal and
> if so should it be noisy or is there something wrong. Many thanks.
> Kevin

Kevin,

Check in the owners manual or at your dealership, but I'd bet this is an
air pump used during the initial few minutes after a cold start to
reduce emissions. I don't have such a late model-year BMW, but my 2003
has one (air pump) and it sounds just like what you are describing.

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-Fred W

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kevinw.shaw@virgin.net - 03 Oct 2006 16:25 GMT

cheers thanks for that
should the be pump noisy then as i can hear it in the car
thanks
kevin

> > Hi
> > Just got a 318 2003 model and when i start from the cold the engine is
[quoted text clipped - 9 lines]
> reduce emissions. I don't have such a late model-year BMW, but my 2003
> has one (air pump) and it sounds just like what you are describing.

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