Originally Posted by Porschefile
35 profile will have a thicker sidewall than 30 of course, which will cause more of a "monster truck look" that you're talking about. I'd run 275/35 for sure, but maybe 255/30. The 10mm won't make a ton of difference in grip, but it is worth doing if you're getting new tires anyway.
I would absolutely not run a 255/30/19. It's not necessary to drop to a 30 series tire on the front unless you go up to 275/30. 255/35 is the way to go for the front.
'08 E90 M3 - Alpine White - Sold
'13 E92 M3 - Silverstone II - Sold
'04 E46 M3 - Jet Black - BBS E88, KW Clubsports, Brembo BBK, SuperSprint Exhaust, Recaro
'15 i3 - Laurel Gray - Why would I mod this thing?