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      11-17-2012, 09:01 PM   #17
mlhj83's Avatar
United Kingdom

Drives: '11 E92 M3 DCT ZCP
Join Date: Aug 2011
Location: London

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Originally Posted by Zuzu View Post

Wanted to go with the SuperSports 255/35 front and 275/35 rear setup..

Bit concerned now with 255 fronts as some have posted that the 245's rub, and my car has the H & R lowered springs setup.

1.2 inch lowered at front and 1/2 inch lowered at the rear..

Might just go with the SuperSports 245/35 fronts and 275/35 rears..
Generally, if you are going to upsize, it is safer to do so proportionally in a balanced manner. To do the rears and not the fronts is potentially a can of worms; it may work, it may not. More importantly is when the car is pushed to the limit e.g. in a high speed emergency manoeuvre, whether that slight amount of imbalance makes a difference to the outcome. Our DSC system is calibrated to OEM tyre sizes as well.