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      12-30-2008, 04:44 AM   #21
dimitrik
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Drives: 2020 X7 M50i
Join Date: May 2007
Location: Paris, France

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I will have to carry out some tests to see if the noise changes in different conditions. I drive to London quite a bit and have noticed the noise on both French and UK motorways.

My X6 has the 21" rims with some Dunlop sport RFT, not too sure of the exact model. At around 130km/h (legal limit in France) the noise isn't too bad. I'm not sure if it's the RFTs or if it's the wind. Once I start to hit 180 the noise gets really loud.

One thing I know for sure is that the engine doesn't play that big a role in the noise since when I'm going along at 180 the noise seems to be mainly the wind, but as soon as I want to accelerate then you really hear the engine kick in to give it some more power.

I realise that at very high speeds all cars will have cabin noise, just like the ML AMG did, but I just find that in the X6 this cabin noise is way too loud. I had two passengers with me and they both were amazed at the noise in the cabin.
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