I hope this isn't a dumb question but I can't seem to find a good answer. My car came with 18s, 245/40 and 265/40. Going to a square setup with 275/35 is going to make the rear wheels 3% smaller, can this cause speedo and traction control issues?
2009 E92 M3 - 7/3/09 ED, 8/17/09 redelivery
1997 E36 M3 - Track Rat
2014 Jeep Grand Cherokee Overland