the profile (side wall) will be taller in a 225/35 because the width has increased 10mm compared to the 245/35. It will be enough rubber to deal with pot holes etc. 255/40 is an overkill IMO.
135i Coupe N55 PPK+JB4
X3 30d LCI
Last edited by TS135i; 01-11-2013 at 04:59 PM.
Reason: 10cm to 10mm