This starts life as a stock Getrag transmission 6-speed. It is completely rebuilt to better than stock specs to make shifting smoother and faster.
While the internals are out, all non-friction mesh and bearing surfaces are cleaned through REM® polishing. This isotropic polishing process leaves gears and bearing surfaces mirror smooth, which reduces friction (heat and driveline power loss).
In our cars, we saw a 2-3% reduction in driveline losses on a chassis dyno with this part alone (this equates to 6-10 Hp on an average M3 Prepared class engine!) - plus more time spent accelerating due to faster shifts.
This unit is stock on a E46M3, MZ4 and some others. Call with further questions or specifications. Price does not include $1500 core charge for an acceptable piece (no junk please!). Customer responsible for return core shipping.
We recommend using factory BMW fluid.
Please verify vehicle in order notes.
While the internals are out, all non-friction mesh and bearing surfaces are cleaned through REM® polishing. This isotropic polishing process leaves gears and bearing surfaces mirror smooth, which reduces friction (heat and driveline power loss).
In our cars, we saw a 2-3% reduction in driveline losses on a chassis dyno with this part alone (this equates to 6-10 Hp on an average M3 Prepared class engine!) - plus more time spent accelerating due to faster shifts.
This unit is stock on a E46M3, MZ4 and some others. Call with further questions or specifications. Price does not include $1500 core charge for an acceptable piece (no junk please!). Customer responsible for return core shipping.
We recommend using factory BMW fluid.
Please verify vehicle in order notes.