Sequential Gearbox for BMW F80 M3 F82 M4 F87 M2 with BMW S55 Bellhousing

Samsonas Sequential Gearbox, BMW F8X M

$10,299.99
$10,299.99
$10,299.99
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The Samsonas 4 / 5 / 6 (+ reverse) full Sequential Gearbox for BMW F80 M3 F82 / F83 M4 and F87 M2 Competition models equipped with BMW S55 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
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