from my understanding, the front is not a direct bolt on. The M3 front sway bars attach to the endlinks that attach to the strut. The standard E36 ones attach to the control arm. I know the endlinks are different, not totally sure if the sway bars lengths are different, maybe someone can clarify.
Current Rides: 964 C2
Past Rides: 94 318is, 97 M3, 01 C2 Cab, 02 330ci, 06 323i, 05 330cic M Sport, 02 M3