Should be fine. I recommend 225/35 front and 255/30 rear. If tire is a skinny one you can use 265/30.
I use 225/35 on 8,5 ET34 and 265/30 on 10" ET41 with no issues.
Tried 3mm spacers one time at the rears. Tiny rub. 10" ET38 does poke 1mm more than 9,5 ET33.
