APR’s RS6/7 Turbo ECU Upgrade for the C7 S6/7 4.0 TFSI

engineAPR’s RS6/7 Turbo ECU Upgrade is now available for the S6/7 4.0 TFSI!

APR’s RS6/7 Turbo ECU Upgrade is designed for use with Audi’s high output RS6/7 4.0 TFSI turbochargers, which are a direct bolt on to the factory S6/7 4.0 TFSI Engine. This upgrade offers 634 HP and 671 FT-LBS of torque on 98 octane fuel and 707 HP and 714 FT-LBS of torque with race fuel! The substantial increase in power and torque comes with lightning fast response and smooth daily driving that transforms the vehicle into a new class of enjoyment!

Working closely with our partners at NGP, who supplied the original test vehicle and offer the necessary hardware, APR’s Calibration Experts recalibrated the factory Bosch MED 17 engine management system to work seamlessly with the upgraded turbochargers, and offer a range of flexibility depending on vehicle modifications. Though the upgrade works well with with factory charge cooling, the ECU Upgrade is calibrated to take advantage of any cooling upgrades that are made. Additionally, the upgrade will work with the factory downpipes, though output will be less than advertised.

APR’s RS6/7 Turbo ECU Upgrade comes with all the benefits and features, including APR EMCS Program Switching and APR Mobile, as found on APR’s Stage I and II ECU Upgrades, and is conveniently flashed through the vehicle’s OBD-II port.

APR’s RS6/7 Turbo ECU Upgrade Calibration Report
As Reported by Audi
Stock - 93 Octane AKI
As Measured by APR
95 Octane RON 98 Octane RON 104 Octane RON 108 Octane RON
- APR recommends and tuned with Sunoco GT 260 for 100 AKI mode and Sunoco GT 260 Plus for 104 AKI mode. Never use lower octane than specified by the mode.
- Max increases are based on APR's actual measured stock values and not those reported by VW. | RON = ROW Fuel Grades | AKI = North American (RON+MON)/2 Fuel Grades.
- Reported wheel figures measured using APR's in-house Dynapack Dynamometer with a US Spec C7 S6 with RS6/7 turbochargers, APR Cast Downpipes, factory cooling and factory intake, using SAEJ1349 correction and an average of multiple runs. Crank figures are estimated based on the measured wheel figures. Results may vary depending upon environmental conditions, vehicle, transmission, vehicle health, operating conditions, temperatures, fuel grade, dyno type, dyno setup, other variables and other modifications.
Speed Limit Max Speed Limited Max Speed Limited Unlimited Unlimited Unlimited Unlimited
Peak Horsepower (HP) 414 HP 480 HP 599 HP 634 HP 671 HP 707 HP
Peak Torque (FT-LBS) 406 TQ 451 TQ 617 TQ 671 TQ 708 TQ 714 TQ
Max Horsepower Gain     +140 HP @ 4,650 RPM +180 HP @ 4,750 RPM +209 HP @ 4,850 RPM +224 HP @ 4,850 RPM
Max FT-LBS of Torque Gain     +178 TQ @ 3,750 RPM +238 TQ @ 3,600 RPM +276 TQ @ 3,500 RPM +280 TQ @ 3,550 RPM

Requirements and Recommendations

  • Turbochargers:
    OEM RS6 / RS7 Turbochargers are required.
  • Intake:
    A high flow intake system, or drop in panel filter is recommended.
  • Exhaust:
    APR's upcoming Cast Downpipes are highly recommended and are required to meet the advertised power figures.
  • Cooling:
    Upgraded turbocharger air-to-water cooling is highly recommended.
  • Spark Plugs:
    APR's software is designed for use with Denso IKH24 spark plugs gapped to 0.024" ±0.002" or 0.6mm ±0.05mm with a change interval of 10-15,000 mi or 16-24,000 km.
  • Transmission:
    APR's upcoming TCU Upgrade is highly recommended and is required to raise the factory rev limiter to achieve the advertised power figures.
Application Guide
Vehicle Market Engine Transmission
Audi S6 (C7) All 4.0 TFSI S-Tronic
Audi S7 (C7) All 4.0 TFSI S-Tronic
Stage Minimum Requirements Price Exc. VAT Price Inc. VAT
- Availability and ECU Compatibility: Stages, programs, and features may not be available for all ECUs.
- ECU Revision Notice: Multiple ECU revisions exist for each platform. APR software may be temporarily unavailable when factory updates are applied. An APR dealer can check availability in person, or over the phone if the ECU boxcode/revision is known.
APR’s RS6/7 Turbo ECU Upgrade - New Customer RS6/RS7 Turbochargers (See Requirements and Recommendations Above) £1324.74 £1589.69
APR’s RS6/7 Turbo ECU Upgrade - Existing APR Stage I or II Customer RS6/RS7 Turbochargers (See Requirements and Recommendations Above) £0.00Please Call

How to purchase

APR DealerPlease use the APR Dealer Locater Tool to locate an APR Dealer, confirm availability and schedule an appointment.

Please note vehicle manufacturers issue many ECU part numbers and revisions throughout their vehicle lineup. As such, some ECUs may be temporarily unavailable as new parts and/or revisions are released. If the vehicle’s ECU part number and revision is known, availability can be checked at any APR Dealer.

Security, Warranty and Money Back Guarantee

guarantee30 Day Money Back Guarantee:
All APR ECU Upgrades include a 30-day money back guarantee with no questions asked. If for any reason the owners is dissatisfied with the APR ECU Upgrade, they may return to the place of purchase for a full refund, provided they are within the 30 day period from the time of the initial purchase. Labor or shipping charges are not included in the guarantee and are at the discretion of the place of install.

guaranteeLimited Lifetime Warranty:
All APR ECU Upgrades include a limited lifetime warranty against defects in the software, and to provide free updates and reflashes as they become available. Labor or shipping charges are not included in the warranty and are at the discretion of the place of install.

APR Tuned

Phone: 0333 240 6823 Address: APR Tuning UK, Unit 1 Siemens Road, Manchester M44 5AH, UK

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While we try to keep everything current, APR tuning Ltd is not responsible for errors in pricing on this web site. All prices are in GBP and are applicable to the UK only.