Description

Overview

APR's ECU Upgrades are the best dollar-per-horsepower modification one can make to improve engine performance. The upgrades dramatically increase horsepower and torque, making for an exceptionally quicker and more exciting vehicle. This is made possible through APR's optimization of the factory engine management system to take full advantage of the engine's capabilities, without needing any end user adjustment. The ECU Upgrades are available with various features and supported octane levels and each stage is compatible with most typical bolt-on modifications. The software is installed to the vehicle's factory ECU through the OBD-II port once the ECU is unlocked, resulting in a clean and headache-free install. Furthermore, for those looking for tuning with a limited powertrain warranty, APR Plus has you covered!

Fits 2020-2023 Audi S6, S7

Features:

Horsepower - More horsepower throughout the whole rpm band
Torque - More torque throughout the whole rpm band
Warranty - APR Plus is available, providing a factory term limit matching limited powertrain warranty
Stages - Multiple performance levels depending on installed hardware
Fuel Grades - Multiple octanes from which to choose
Ethanol - Ethanol support from E60-E85 for maximum performance
Acceleration - Accelerate faster with more power and reduced throttle lag
Linear Throttle - Pedal maps adjusted for a more linear feel
Brake Boosting - Left foot braking or brake boosting added
Rev Limiter - Increased redline for higher revving
Standing Limiter - Increased standing limiter for higher revving at idle
Speed Limiter - Go as fast as you want with the speed limiter out of the way
Exhaust Flaps - Enhanced power delivery and drivability through recalibrated exhaust flap actuation
Added Safety - Additional safety features and protection modes added
Economy - While cruising, or driving normally, your fuel economy may benefit from our optimized calibration
Boost Gauge - The factory boost gauge displays accurate boost and reacts more quickly
Power and Torque Gauges - The factory power and torque gauges are accurately rescaled
Direct Port Programming - Clean and easy install to the factory ECU without opening the case
Free Updates - Get free updates for life

Important fuel quality information
Important fuel quality information

Find your boxcode and revision
Find your boxcode and revision

ECU Order Form
Select VW/Audi MG1 under unlock type

APR Plus Warranty Booklet
APR Plus Warranty Booklet

Only use fuel equal to or higher than specified. Never use a lower octane fuel. Always follow our fuel guide, especially with race fuel and Ethanol, where available. Dynos are for reference only. Results will vary. Contributing factors include the vehicle condition, vehicle setup, dyno type, dyno setup, environmental factors, fuel quality, and more. When describing fuels, the North American Region (NAR) uses the Anti-Knock Index (AKI), (RON+MON)/2, or (R+M)/2. The Rest of the World (ROW) uses RON. RON is Research Octane Number and MON is Motor Octane Number.

APR ECU Upgrade Stages

Each stage includes several adjustments and features to make the driving experience more enjoyable. We’ve not only made the engine more powerful, but we’ve improved acceleration, removed the speed limiter, enabled left-foot braking or brake boosting, properly rescaled the boost gauge, increased the stationary rev limiter, optimized thermal management and protection, designed the software to support normal bolt on modifications while not requiring any for the baseline configuration, and eliminated the need for a TCU upgrade to deliver maximum torque while still accurately reporting torque to the ECU.

APR Stage 1

The APR Stage 1 ECU Upgrade is the first step towards tuning your engine. It produces up to 479-531 HP and 533-605 FT-LBS of torque with gains as high as +56-109 HP and +88-160 FT-LBS of torque at the wheels.

APR Stage 1 is available for 91 AKI, 93 AKI, 100 AKI, 104 AKI, and E60-E85 fuel grades in North America, and 95 RON, 98 RON, 104 RON, 108 RON, and E60-E85 in the Rest of the World.

Please note, our E85 software is not a full flex fuel program. In this mode the engine is only designed to work on E85, as found directly at the pump, including both summer and winter blends from E60-E85. Using traditional pump fuels in this mode may result in engine damage. Do not manually blend with traditional pump fuel or race fuels or use race specific barrels of E85. To ensure proper E85 content levels, APR recommends using an E85 content sensor. Before using Ethanol, educate yourself and follow our switching guide.

APR Calibration Report

STAGE	HP	TQ	MAX GAIN	MAX GAIN
Stock As Reported by Audi	444 HP	443 FT-LBS
Stock As Measured by APR	464 HP	449 FT-LBS
APR PLUS
APR Plus (91 AKI)	479 HP	533 FT-LBS	+56 HP	+88 FT-LBS
STAGE 1
91 AKI / 95 RON	479 HP	533 FT-LBS	+56 HP	+88 FT-LBS
93 AKI / 98 RON	493 HP	553 FT-LBS	+72 HP	+108 FT-LBS
100 AKI / 104 RON	511 HP	581 FT-LBS	+97 HP	+136 FT-LBS
104 AKI / 108 RON	521 HP	605 FT-LBS	+109 HP	+160 FT-LBS
E60-E85	531 HP	581 FT-LBS	+94 HP	+132 FT-LBS

The APR Difference

Who we are - We’re a global automotive engineering firm nestled in Opelika, Alabama. Our 80,000ft² state-of-the-art facility is home to some of the best engineers in the industry, who have mastered hundreds of engine management systems. We have multiple engine and chassis dynos, and the resources necessary to create our ECU Upgrades in-house, from the ground up! We're not a new company either. We've been around since the 90's and we have a strong financial backing to ensure we'll be here to support you for decades to come!

What we do - We optimize everything to make your engine more powerful. We adjust air-fuel ratios, advance ignition, increase boost pressure, alter cam positions and lift profiles, and more, all depending on the type of engine and management system, of course! We don’t take shortcuts, and we don’t take risks. We do it the right way.

How we differ - With our proprietary calibration and direct ram access data logging tools and operating system code changes, we’re able to make some of the strongest and fastest ECU upgrades, without needing costly end user adjustments. We work with the ECUs intelligent modeling and closed-loop systems, and beta test in multiple environments to create upgrades that work no matter where you drive!