okay, well, Cliff isn't looking...
1) South Africa I believe had the M30 with the 3.3, or 3.5, but as far as I know, Alpina also put that engine (with their own tweakes) into the E30, including the M3).
2) I don't know, it's in the manual...
3) Z1
4)not too sure.... 225/35/17's?
5)I thought...