Originally Posted by eeterp
On topic: for the 240 to beat a stock M3, add:
S15 turbo, S15 injectors, ECU tune = $1500 est.
Strut bars, Sway bars, tc rods, poly bushings = $1000 est.
235/255 high perf. summer tires = $700 est
So, about $3k
That would be in addition to the cost of the motor, the coilover setup and a decent set of wheels on which to put the tires.