I've owned several 3-series and an Audi before. They are both great cars. I looked hard at a S5 before I bought my 335 and while I liked it, I couldn't get past the fact that it looks like a Camaro. Is it just me that thinks the A5/S5 look like a Camaro?
Fantastic interior though.
2010 E90 335i Black Sapphire
Best Stock 1/4 time = 14.1 @ 99.4 at Bandimere Speedway (DA = 7,400ft ASL; 13.5 @ 103 corrected)