The Samsonas 4 / 5 / 6 (+ reverse) full Sequential Gearbox for BMW E46 M3 models equipped with BMW S54 Engine includes Samsonas Motorsport Sequential Gearbox, ACAL RSS Gear Position Sensor, Output Flange, Bellhousing Adapter, and Input Shaft. Bell housing optional. This sequential transmission boasts Samsonas' X300 clutch shaft, 400 ratio configuration options, quick change top gear, and (5) engagement dogs for maximum fast gear change. With straight cut gears, racers will notice minimum rolling resistance. Each Samsonas gearbox features super finished, shot-peened gears and internals for optimal quality, and all selectors, shifting fingers, protections, forks, and rods are made from billet steel for maximum reliability. 4-Speed Gearbox Ratios I 2,462 3,000 2,462 II 1,800 2,000 1,647 III 1,471 1,500 1,250 IV 1,250 1,190 1,000 5-Speed Gearbox Ratios I 2,462 2,462 3,000 3,000 II 1,800 1,800 2,000 2,000 III 1,471 1,250 1,500 1,500 IV 1,250 1,000 1,190 1,190 V 1,087 833 1,000 962 I 3,000 3,000 2,462 2,462 II 1,800 2,000 1,647 1,647 III 1,250 1,500 1,250 1,333 IV 1,000 1,250 1,000 1,250 V 833 1,087 875 1,042 6-Speed Gearbox Ratios I 2,462 3,000 3,000 3,000 II 1,800 2,000 2,000 2,000 III 1,471 1,471 1,500 1,500 IV 1,250 1,190 1,250 1,190 V 1,087 1,000 1,087 1,000 VI 962 875 962 875 I 3,000 3,000 3,000 3,000 II 2,000 2,000 1,800 1,800 III 1,500 1,500 1,500 1,500 IV 1,190 1,190 1,250 1,333 V 962 962 1,087 1,042 VI 833 760 962 962
