ok so im getting a set of wheels that are either 18x8 or 18x8.5 offset is 35 with another car im buying, the car is an a4 so the bolt pattern is 5x112 ours is 5x100 i will be using adapters that also space the wheel (spacers) the thinnest made is 20mm.

how bad will i rub and poke if i do a 20mm?

thanks in advance guys