Quote:
Originally Posted by infinitekid2002
So assuming you can put anywhere from 245 to 265 tires on ur ride..all else being equal, the 265 wont help performance in terms of not breaking the tires loose on launches/shifts, and turning?
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All things equal (namely alignment, tire compound), 265s won't perform significantly better in a straight line (provided the alignment isn't set up for drag racing), the effect on contact patch when tracking straight is not very large. Negative camber characteristic to BMWs (which is also a function of your alignment) will result in the outside tire becoming flatter (more parallel to the road) while turning, increasing the contact patch in these situations with a wider tire and providing more lateral grip.