APR Audi B8 & B8.5 S4/S5 3.0 TFSI ECU Upgrade



APR is pleased to present the ultimate ECU Upgrade for the Audi B8 and B8.5 S4 & S5 3.0 TFSI V6 available thought the OBD-II Port via APR's Patented DirectPort Programming!

After months of long nights and many hours of testing, developing and more testing, we're pleased to offer you an ECU recalibration that is second to none. APR's extensive research and development provides you with a powerful ECU upgrade with no loss of drivability or reliability. Expect faster acceleration, improved throttle response and more power across the entire power band.

APR's 3.0 TFSI V6 ECU Upgrade is an expertly recalibrated engine control strategy that primarily remaps the engine's operating parameters, within the factory ECU, to provide smooth and reliable power as if intended by the OEM. APR's ECU Upgrade is developed to work within the OEM and Tier 1 Supplier specifications for engine component stress tolerances and performance specifications and is thoroughly track tested through APR Motorsport's Grand-AM and World Challenge professional racing efforts. Available in octane-specific variations, APR's calibrations allow you to take advantage of fuel quality available in your area. 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.
APR Audi B8 & B8.5 S4/S5 3.0 TFSI ECU Upgrade

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$1299.00 USD
362 hp
345 lb./ft. torque


  APR Audi B8 & B8.5 S4/S5 3.0 TFSI ECU Upgrade