SOFTWARE HAS TO BE INSTALLED AT OUR PREMISES IN WIGAN.

APR is pleased to present the ultimate engine control unit (ECU) upgrade for the 4.0 TFSI V8. APR’s ECU upgrade is available in octane-specific variations and is conveniently flashed to the vehicle’s factory ECU through the OBD-II port without any physical modification to the factory ECU. APR’s EMCS functionality puts the control of the engine’s operation at your fingertips and allows for additional features and options to be installed to the OEM ECU.

APR’s ECU Upgrades provides an excellent leap in horsepower and torque while retaining OEM knock control sensitivity and other built in safety features. This results in an exciting and powerful upgrade, optimized for various fuel grades found around the world.

The APR Stage I ECU Upgrade requires no hardware modifications and is available with 553-578 HP and 588-635 FT-LBS of torque, depending on octane. Gains as high at +108-138 HP and +155-198 FT-LBS of torque are available throughout the power band!

The APR Stage II ECU Upgrade requires a high flow Race DP exhaust system and is available with 575-614 HP and 669-717 FT-LBS torque, depending on octane. Gains as high as +164-284 HP and +236-207 FT-LBS of torque are available throughout the power band! This software must be used with a high flow Race DP exhaust system.

The APR Stage III (RS Turbos) ECU Upgrade requires the factory turbochargers from the RS6 and RS7. Full details can be found on our product page. Expect 599-707 HP with 617-714 FT-LBS of torque. Gains as high as 140-224 HP and 178-224 FT-LBS of torque are available throughout the power band.

Application Guide:

Vehicle             Market Engine Transmission

Audi S6 (C7)         All         4.0 TFSI         All

Audi S7 (C7)         All         4.0 TFSI     All