Thanks all, comments noted. The exhaust manifold is to be sand blasted and painted 'cast iron'. The pulleys will be satin black and clean in the belt groves. But it does hold up 6 (yes 6) coffee mugs.
Good - Fast - Cheap: Pick any two.
E23 735i; E30 318i; E32 735iL (X 2 - 1 White and 1 Light Blue); E34 535i; E38 735iL; R50 Cooper; R55 Cooper Clubman.
E21 318i; E32 735iL; E34 535i; E38 730iL; E53 4.4i