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      10-07-2013, 04:01 AM   #19
GeeRam
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Drives: X5 40d SE
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Quote:
Originally Posted by Ginger_Extract View Post
That is a by-product of forced induction, a quieted exhaust note as some of the exhaust gasses are being recycled to spin the turbos, which are natural "mufflers". Of course, the solution is make the post-turbo exhaust more open, but that can produce too many "uncouth" noises which isn't premium. The market demands premium vehicles, which are utterly silent, because that's what luxury is all about, right?
It's got nothing to do with 'premium vehicle' bullshit......it's got everything to do with European Noise regulations bullshit, which is forcing ever more stricter drive by noise regulations on European manufacturers.
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