So what tire size are you running? From what I've read, people generally recommend square sizing on E46 M3 but not on the Zed, that's why I just moved from 225/255 to 245/265.
And yes, it looks more like a track car. Can't imagine powerflex would be very enjoyable on the street? Even with my completely stock Z4M I can't say the ride is quite pleasant....depends on the roads I guess.
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