DukeOfUndersteer wrote: The M3 will be an easier car to live with. Just keep up with the trans bushings, rear subframe bushings and control arms/bushings and cooling system. Other than that, they will go forever!
My E36 needs all those things =\
I've had a lot of fun autocrossing my M3 - it's an extremely capable car - but I prefer hustling my Miata through the cones.