Tyre size calculator
From E30 Zone Wiki
Revision as of 11:20, 1 October 2011 by Grrrmachine (talk | contribs)
An excel file with an excellent calculator that compares new size to existing:
Media:F_tire_section_calculator_v97_12.xls
A website with a flash tool to visually shows compares new wheel/tyre size to existing:
