I recall the the 2001/02 M Roadster was cheaper than the E46 M3 but I could not remember by how much. I was in the market for M's at that time.
/// M iSpY
13 X3 xDrive2.8i - Black Sapphire Metallic/Black
11 335i - Jet Black/Black
07 /// M Roadster - Interlagos Blue/Black
05 /// M3 - Silver Gray/Red
01 330i - Titanium Silver/Black
94 325is - Alpine White/Gray