Testing the Samsonas RWD6 sequential gearbox in the M4 GT4 build! Part: 2
4N Motorsport 4N Motorsport
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 Published On Jun 3, 2023

Here it is guys! Testing of the worlds first sequential swapped F8X!!!


First part of the video I go over the parts installed, the GCU, gear oil pump, air tank, and compressor. I also go over the GCU software showing the setup and adjustability.


The videos of shift testing and pulls were done on a low power/ low boost setting 450-500whp to dial in the transmission and also break it in properly. For the part 3 video coming up I will be running the normal power level this car sees which is around 650-700whp. I will also be track testing the box for the first time and fine tuning throttle blip downshift adjustments.



Special thanks to Jake at MHD tuning and everyone involved with the custom coding!!! This enabled me to send a cut signal to my factory F8x DME to unload the gearbox and initiate the sequential up shifts.



#bmw #racing #motorsport #sequential #dogbox #custom #fabrication #m3 #m4 #f82 #f80 #racecar #gt4 #turbo

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