M5 F10 running our stage 3 tune
M5 F10 running our stage 3 tune Stock ecu boost control, no piggyback or external boost controller 834WHP/706WTQ flat and limited torque all the way to redline .. how it should be something you don't often see, stock S63 motor with stock internals on this M5 F10 with an upgraded turbos making such insane power putting down 834 WHP. We will be back with forged engine results soon. Stay tuned