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APR 4.0 TFSI V8 ECU UPGRADE (AUDI C7.5 S6 / S7) | Performance parts and accessories for Audi, BMW, Volkswagen, Mini, Mercedes Benz, Porsche and Volvo

APR 4.0 TFSI V8 ECU UPGRADE (AUDI C7.5 S6 / S7)

APR
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Was: US$2,100.00
Now: US$1,890.00
APR 4.0 TFSI V8 ECU UPGRADE (AUDI C7.5 S6 / S7)
APR 4.0 TFSI V8 ECU UPGRADE (AUDI C7.5 S6 / S7)
APR 4.0 TFSI V8 ECU UPGRADE (AUDI C7.5 S6 / S7)
MPN:
DPP-4.0-TFSI-C7.5SP
SKU:
DPP-4.0-TFSI-C7.5SP
Availability:
Contact us for availability

Product Overview

APR is pleased to present the ultimate engine control unit (ECU) upgrade for the 4.0 TFSI V8. APR’s ECU upgrade is available in octane-specific variations, including 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 EMCS functionality puts the control of the engine’s operation at your fingertips and allows for additional features and options to be installed to the OEM ECU.

The ECU’s MED 17 engine management system is responsible for proper operation of the engine during constantly changing environmental and load conditions. With built in compensational data for environmental variables and varying load conditions, the factory ECU is far more complex and intelligent than units found in other vehicle makes and marques.

APR's Calibration Engineers spent months calibrating the engine management system, including many hours of chassis dyno development. With a thorough understanding of the ECU’s torque structure, APR’s Calibration Engineers properly increased engine load to produce more power and torque across the entire power band. APR’s ECU Upgrade increases boost pressure, optimizes ignition timing, cam timing, lambda and more to produce higher output!

APR’s ECU Upgrades provides an excellent leap in horsepower and torque while retaining OEM knock control sensitivity and other built in safety features. This results in an exciting and powerful upgrade, optimized for various fuel grades found around the world.

The APR Stage I ECU Upgrade gives you higher peak numbers of 574 HP/639 FT-LBS on 93 (R+M)/2 octane and up to 597 HP/688 FT-LBS on 100 (R+M)/2 octane race fuel! As much as 138 HP and 198 FT-LBS of torque are available through the power band!

Acceleration Enhancements:
Beyond horsepower and torque enhancements, APR’s Calibration Engineers were able to increase the acceleration rate of the vehicle through other calibrations changes. Ignition delay is reduced resulting in a more responsive pedal without altering overall throttle sensitivity. Furthermore, throttle lag commonly noticed at slow speeds and while reapplying throttle has been reduced.

Launch Control:
APR's Engineers paid particular attention to torque delivery when using launch control. Through specific ECU calibration and code changes torque delivery is limited until the clutches are fully engaged. This results in blistering acceleration without suddenly over-stressing the S-Tronic clutch packs.

Increased Fuel Economy:
APR’s Calibration Engineers paid close attention to several parameters directly related to fuel economy, especially while cruising at highway speeds. Depending on driving style and fuel quality, better miles per gallon may be achieved.

Speed Limiter:
APR’s ECU upgrade increases the vehicle's top speed limiter for blistering sprints around the track or across the Autobahn without the speed limiter shutting down the fun.

Left Foot Braking:
APR's Left Foot Braking feature allows more control over the vehicle’s throttle. The factory equipped vehicle's throttle input is disabled while pressing the accelerator and brake at the same time. Left Foot Braking, a common motorsport driving technique, allows the driver complete control over the vehicle’s throttle and braking system, which may give the vehicle the edge it needs at the track.

APR Stage I ECU Upgrade Calibration Report
 Stock
As Reported by Audi
Stock - 93 AKI
As Measured by APR
APR Stage 1 - 91 AKI
APR Stage 1 - 93 AKI
- Max increases are based on APR's actual measured stock values and not those reported by Audi. | RON = ROW Fuel Grades | AKI = North American (RON+MON)/2 Fuel Grades.
- Reported wheel figures measured on APR's in house Dynapack Dynamometer with a US Spec 2013 S7 S-Tronic, 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
Peak Horsepower (HP) 444 HP 489 HP 555 HP 574 HP
Peak Torque (FT-LBS) 408 TQ 447 TQ 609 TQ 639 TQ
Max Horsepower Increase over Stock*     +144 HP @ 4,450 +165 HP @ 4,300
Max FT-LBS of Torque Increase over Stock*     +178 TQ @ 3,500 +178 TQ @ 3,600

 IMPORTANT AVAILABILITY DETAILS:-Program Switching: A fully loaded ECU includes up to 4 program modes (stock mode, performance modes, valet, etc), as well as fault code erase, security lockout and anti-theft depending on availability and ECU compatibility.- 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.

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