APR Presents the 2.0 TFSI Valvelift ECU Upgrade – Including Flex Fuel Engines!

By: APR | 10/03/2014 < Back to Blog Home
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APR is pleased to present the ultimate engine control unit (ECU) upgrade for the 2.0 TFSI engine with Audi Valve lift as found in the B8.5 A4, A5, Allroad & Q5, C7 A6 and Exeo! 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 patented EMCS functionality puts the control of your engine’s operation at your fingertips and allows for additional features and options to be installed to your OEM ECU.


The APR Stage I ECU Upgrade is designed to work without requiring other changes to the vehicle’s hardware. With the ECU Upgrade alone, APR’s Calibration Experts measured higher peak figures of 284 horsepower and with 334 ft-lbs of torque 93 AKI octane fuel. Large gains were seen throughout the power band, including an additional 57 horsepower and 85 ft-lbs of torque. By adding E85 to the tank on the Ethanol compatible variants, automatic Ethanol map blending adds even more power, resulting in 85 horsepower and 135 ft-lbs of torque. The increase in power directly translates to an exceptionally quicker and more enjoyable vehicle. Read More

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