Samsonas Motorsport 6-Speed Dogbox Kit, BMW E46

The Samsonas Motorsport 6-Speed Dogbox Gearkit for BMW E46 is designed to fit into the original E46 5-Speed ZF S5D Housing and includes aluminum plate with bearings, making the completed gearbox 52mm longer than the stock ZF S5D and 50mm shorter than 6 speed Getrag S6S. This gearkit features a new surface and profile big teeth, as well as a clutch shaft made from special driveshaft steel. 

With straight cut forged steel 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. 

These gearboxes are suitable for:

• Rally
• Endurance Racing
• Time Attack
• Rallycross
• Circuit
• Hill Climb

6-Speed Ratios

I     2,500     2,500    2,900    2,900

II     1,800     2,000    1,800    2,000

III     1,438     1,500     1,438    1,500

IV     1,235     1,177     1,235    1,177

V     1,111     1,000     1,111    1,000

VI    1,000    870    1,000    870