Audi A8 4.0T ECU Software Upgrade



Vehicle Application: Audi A8 4.0T

Horsepower Gains: 95-105hp

Torque Gains:125-135tq


This purchase is for AMR Performance ECU software via a handheld programmer. Due to the nature of this product, all sales are final. There are NO REFUNDS.

SKU: AMR-A840T-SHIPIN-1 Category: Tags: , , ,


Vehicle Application: Audi A8 4.0T 

Horsepower Gains: 95-105hp

Torque Gains:125-135tq

Octane(s) Available:

  • 91 Octane
  • 93 Octane
  • 95 Ron (euro)
  • 98 Ron (euro)

AMR Performance Enhancement Features:

  • Optimized Fuel Mapping
  • Optimized Timing Curve
  • Speed Limiter Removed
  • Improved Fuel Efficiency
  • Broader & Stronger Power Band
  • Lower RPM Hesitation Eliminated
  • Increased Turbocharger Response
  • In-House Engineered & Tested Results
  • Smoother Firmer Transmission Shift Patterns


After hours of data acquisition and numerous runs on the dynamometer, AMR Performance has engineered and developed ECU Software upgrade(s) for the Audi A8. Not only does this upgrade give the vehicle an increase in horsepower, torque, but also increase the turbocharger’s response, increase in boost levels, optimal fuel curve, and an increase in throttle response! This well engineered recipe turns this normally commuter vehicle into a torque filled throttle happy warrior!

Additional information

Weight15 lbs
Dimensions12 × 12 × 4 in