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      11-26-2011, 07:24 PM   #14

Drives: M3
Join Date: Sep 2011
Location: USA

iTrader: (0)

255/275 will offer no further traction to your car and will only likely feel less sharp for turn-in. As you mentioned side-walls are going to be higher and therefore signifigantly why turn-in is less. The zcp is a different story with bigger wheels but the stock 19s, bmw knew what they were doing. If more grip was to be had with bigger tires they would have used them. The mdm/dsc is made to work with the rolling diameter of the stock setup and even a slight change effects. this. Most of all you lose the sharp pinpoint turn in feel with bigger setup