An internal combustion engine is driven by various parameters of a basic configuration that allows the engine to operate perfectly in all circumstances, to meet current approval standards and to offer good reliability.
These parameters can be modified and optimized by professionals, in particular to obtain a performance gain without dangerously degrading the reliability or operation of the engine or surrounding components.
These modifications are regularly called: Stage 1, Stage 2, Stage 3 or deactivate EGR valve, DPF, SCR, Adblue, Limiters, etc.
With these tools vou will be able to master an entire reprogramming in a few minutes. Reprogram your engine ECU but also that of your friends, or start a new activity, there is no limit of use.