Andrew, I am, 17x8" ET35 wheels with 8mm spacers and 235/40 tires. My spring perches are cut off for coilovers, so my clearence on the inside is limited by the tie rod end, which I'm 1-2cm from. I rub in the fender up front just slightly and just occasionally, '85 rolled lips. The B5 S4 17x7.5" avus wheels are ET45, so you're going to need a big spacer. Rich