I've owned an E46 M3 with OEM 18" wheels. The new E92 M3 is a different design and less attractive than the E46 OEM 18" wheels.
When I purchase my E92 M3, I'll opt for the 19".
2008 Porsche Carrera 4S
Champion RS98 wheels, X51 Headers, FVD Brombacher 200 Cell Cats, FVD Tune, X51 Throttle Body, Maxspeed Plenum, and Rear seat delete.