Unitronic EA825 4.0T RS6 / RS7 / SQ7 Software Upgrade

Description Unitronic Stage 1 Performance software is precisely calibrated for use with 91 AKI / 95 RON fuel.Unitronic Stage 1+ Performance software is precisely calibrated for use with 93 AKI / 98 RON fuel Unitronic Stage 2 Performance Software is precisely calibrated for use with 93 AKI / 98 RON fuel.Subject to ECU Box code availability. Installation Flashed directly through the (OBDII) Diagnostic port of your vehicle (15-20 minutes). UniCONNECT+ This vehicle has added support through UniCONNECT+ which allows you to program your own vehicle right in your own garage. Learn More Features Optimized Responsiveness, Smoothness, Drivability, and ComfortUnitronic’s ECU calibrations are engineered to improve engine response and reduce low-end lag. Unitronic’s Performance Software has gained worldwide recognition and is well known for its broad powerband, with smooth power delivery, maximizing responsiveness and “area under the curve”, under normal and hard accelerati