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      03-18-2013, 04:42 PM   #22
llis
octane chick
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Drives: ex-M
Join Date: Oct 2010
Location: Colorado

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2013 BMW M3 ZCP  [10.00]
2003 BMW M5  [0.00]
Quote:
Originally Posted by wooderson View Post
Maybe this is for another thread but there seems to be a large enough sample of people on this forum that have switched from staggered to square set ups. I'm curious to know if the lap times increased or decreased solely because of this change.
When I tracked my previous car, I went from staggered with Yokohama AD08s to square with Continental slicks then back to staggered when the slicks corded. Obviously the square slicks setup was much much faster. Once I got used to them, I was about 6 sec faster on a roughly 3-mile course.

For me, the staggered setup results in too much understeer. The car plows through turns, and that's not because of tire pressure. Maybe it's my technique, and certainly the slicks are more awesome anyway, but my experience was that even with camber plates, the E92 M3 has plenty of plant in the rear but too much understeer up front, and going with a square setup gives the car much better rotation through turns. You're not so much sacrificing grip in the rear, you're adding more grip up front. And given the 50/50 balance of BMWs, square is a more balanced result, no?

On my E36 M3 racecar, I've run only square on the track (as does everyone else). I can't imagine going with narrower front tires just to emulate a staggered setup.
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