2008 528i, noisy exhaust @ cold start. Was told normal by BMW dealer

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09-12-2010, 06:56 PM

martinallard

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Sound like there is a leak in the exhaust line in the first 2 minutes. Could you play the "entire" mp3 and tell me if this is normal?

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BMW 528i Noisy Exaust Cold Start.mp3 (2.70 MB, 92 views)

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09-12-2010, 08:05 PM

turboawd

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My Ride: 2006 BMW 550i

sounds normal to me. all engines rev a little higher when first started, until they warm up a bit.

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09-13-2010, 12:17 AM

martinallard

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You can also see the video on YouTube

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09-13-2010, 12:30 AM

turboawd

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My Ride: 2006 BMW 550i

my 550 sounds similar.
i think it is due to the fact that bmw uses the valvetronic system to control the idle speed.

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