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      04-18-2014, 05:24 PM   #1
DChan
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Whistling sound when accelerating/decelerating?

Hi guys I have a 2009 x6. When I accelerate I can hear some sort of whistling sound and when I decelerate the whistling sound goes down. Is this the turbo spooling?

I was told it might be the turbo's warming up but even when I've been driving it for a while I still hear it.


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      04-20-2014, 03:34 AM   #2
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anyone??
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      04-20-2014, 03:47 PM   #3
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Post a video of you driving the car and maybe you will get feedback. a lot of the bmw cars use twin turbo technology and they all are super silent when it comes to engine sounds so you cant hear turbo spool from a regular x6, unless it has catless downpipes installed.

post video for accurate feedback
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      04-20-2014, 04:15 PM   #4
X6 Eddy
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I have a new X6 and I certainly hear my turbos.
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