Also spotted recently:
Space Gray ZCP coupe near 170/64 interchange
Black '08-'09 'vert with a blonde woman driving
Jerez Black '10-'11 'vert with somebody who is nice enough to acknowledge other M3's on the road
Black (looked like Jet) '08 Sedan, looked totally stock, in Chesterfield
Jerez/Red '09 sedan
Frozen Gray Edition near SLU