APR ECU Upgrade for the Audi R8 4.2L FSI V8

$499.95

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APR Stage 1 ECU Upgrade

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SKU: BT-APR4.2R8S1.
Category: .

Product Description

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APR is pleased to present the ultimate engine control unit (ECU) upgrade for the 4.2 FSI V8. APR’s ECU upgrade is available in octane-specific variations and is conveniently flashed to the vehicle’s factory ECU through the OBD-II port without any physical modification to the factory ECU.

The ECU’s MED 9 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 optimizes ignition timing, throttle angle, cam timing, throttle angle, 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

engine

 

Stage I ECU Upgrade

Not only does our Stage I ECU Upgrade give you higher peak numbers of 444 horsepower and 357lb-ft. of torque, but also gains of up to 24 horsepower are available at higher rpms! Expect an extra 20 HP and 13 FT-LBS over stock with 91 octane, 24 HP and 17 FT-LBS with 93 octane and 25 HP and 20 FT-LBS with 100 octane fuel.

 

Dyno Performance

APR dyno

 

The APR Development Difference

DirectPort Programming

APR DirectPort Programming:

APR’s DirectPort Programming is now available! Any APR Dealer in the world, connected to the Internet, has direct access to APR’s latest ECU upgrades for loading directly over the vehicle’s OBD-II port. This completely eliminates the need to remove and open the ECU for currently available files and can be uninstalled at any time!

 

APR ECU Explorer

APR ECU Explorer:

APR’s proprietary ECU Explorer gives APR’s Calibration Engineers unparalleled access to the vehicle’s entire engine management system. Typical commercially available data logging tools, used by most tuners, only allow logging up to 12 engine-operating variables at extremely low data rates. These tools are also limited to a small, specific list of variables. APR’s ECU Explorer is capable of logging every variable found within the ECU with far more variables logged at once, at very high data rates.

 

APR ECU Composer

APR ECU Composer:

APR’s proprietary ECU Composer is used for altering the engine management system. With full access to every table, map and variable within the ECU, APR’s Calibration Engineers are not limited to a handful of maps as is common for most tuning companies.

 

APR ECU Assembly

APR ECU Assembly:

APR’s Electrical Engineers have the ability to alter the code structure of the ECU. Through code levels changes, APR’s Engineers are able to add features to the ECU. Other changes allow higher torque limits than those achievable through only modifying calibration data or using piggyback devices as is the case for many tuners. This allows APR’s engineers to often not require transmission software to meet or exceed advertised gains. On the highly modified end, this often allows APR to make turbo upgrades operate without the need for external manual controllers.

 

 

AVAILABILITY DETAILS:

– 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.

Additional information

Weight 15 lbs
Dimensions 15 × 15 × 15 in

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