What is the iTronic engine controller?

Looking for more performance but do you still have warranty on your car? We developed the iTronic engine controller specifically to be untraceable in the software of the car, just remove the iTronic before you visit your BMW dealer and your good to go. This external tuning device works together with the ECU of the car and adds around 35 to 75 horsepower to your car’s stock performance, and it will do so safely. The iTronic can be turned on/off with your steering wheel and optional features like exhaust valve control are available.