-E30 M3 Diff (the big one) with an M-Roadster Diff-Cover and oil-cooling system.
-S14 engine 2,5l with forged pistons,Schrick cams,and a lot of special parts. - BMW 1502 von 1975 Gr. H bis 2,5l - 320bhp at 8800
-Drenth 6-speed sequential gearbox
-E30 M3 front brakes & rear from AP-racing (911 turbo)
-Suspension KW adjustables,
The facts: 320hp 1/4 mile in 11,72 seconds, 900kg (1984 us lbs)
0-100 km/h = 4 sec. 0-200 = 13 sec. V-max = 250 km/h