Also surprised nobody has brought up the possibility of a Hybrid M3 - they have the back portion off to allow quick access to an experimental electric motor assisting the rear wheels and providing needed weight in the back... LOL.
13 X5 xDrive 35i M-Sport Black/Oyster (Hers)
07 X5 4.8i Sport Black/Black (Winter/DD)
03.5 M3 Cabriolet Steel Grey on Black (Summer Fun)
PAST: 08 E92 M3, 08 535xiT, 06 E90 325i, 87 E30 325i, 85 E30 318i