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I know it sounds like advertising but I agree with Marco (Motorsports Division). I sat in an E90 325i shod with 20" and KW V2. It was freaking awesome! I have no doubt it would have runned circles round my M Sports equipped E92 then. But on rough roads, it surprisingly absorbed the bumps very nicely. I was very impressed and wondered if I should have spent more on a new set of KWs then the 1-day old M Sports I got for half price.