Welcome to the world of professional engine tuning. If you’re asking yourself how to tune with Alientech KESS3, this guide is the perfect starting point. We will walk you through the ten essential things you need to know to get started with this impressive piece of hardware.

For over a decade the Alientech KESS V2 has been a go-to tool for ECU remapping professionals, offering stable and reliable performance. However, with the launch of the new Alientech KESS3 we wanted to explore the differences. This article provides a definitive technical comparison of the new Alientech KESS3 and its predecessor, the KESS V2, helping you to understand if it’s time for you to upgrade.