Here you can find the master tools from Alientech, Magic Motorsport & CMD Flashtec.
CMD FlashtecCMDFlash Master Full
Magic MotorsportFlex configurator Full HW kit for New Users - Master
AutotunerAutotuner Flasher tool MASTER version
AlientechKESSv2 Master (Tool)
AlientechK-TAG Master (Tool)
AlientechECM Titanium - Full Version
Master tools are needed if you want to open and adjust tuning files, otherwise a slave tool is sufficient. A master tool is more expensive but has a lot more options when it comes to editing en adjusting software. Do not hesitate to contact us if you have any doubts about purchasing the right tool.