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      07-30-2019, 06:41 PM   #68
Old Boy
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Drives: 2019 M550i xdrive
Join Date: Mar 2019
Location: toronto

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*M performance brakes is obviously a genuine performance upgrade, whether you need it or not.
*Carbon fiber this or that is clearly for the looks, not "performance", unless we are getting major CF structures, such as the hood, which lighten the car significantly.
*M performance exhaust which doesn't increase power/torque in some tangible amount is merely a very expensive noise maker......that's the way I see it.