D.M.A. racing gears

BMW sequential gearbox 
Torque rating: 6 speed = 900Nm,
5 speed = 1200Nm

D.M.A. sequential gearbox for BMW racecars was designed to meet requirements of all racers from rally to drift and is popular thanks to strength, swiftness, reliability and design. To be used with nearly any BMW engine.

  • 5/6 speed
  • Patented dog engagement technology
  • Contactless gear position sensor included
  • Reverse lockout included
  • Wide range of gear and drop gear ratios
  • Quick drop gears replacement
  • Wide range of output flanges or slip yoke connections
  • Straight cut(spur) gears
  • Designed for AP/Tilton hydraulic clutch release bearing
  • Bellhousings: can be used with most of OEM BMW bellhousings or we can make custom bellhousing
  • Oil pump recirculation system (optional)

Possible as seamless version. Seamless sequential gearbox is absolute top what can racecar get as they outperform conventional sequential gearboxes in many aspects. It provides the driver with feeling like in Formula 1, however technology of the gearbox is different – our own.

The greatest advantages of seamless sequential gearbox are:
  • Continuous, uninterrupted flow of power to wheels
  • 100% certainty of successful upshift even with slipping wheels
  • Clutchless shifts are possible even without racing ECU and hence without necessity of the ignition cut
  • Gear change with 0 delay (conventional sequential gearbox has usually delay 50-100ms)
  • Keeps engine in maximum race mode
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