APR 1.8T Gen3 IS38 Turbo ECU Upgrade
+160-169 FT-LBS of Torque
Factory Turbo Upgrade
Quicker and Faster
500+ APR Dealers World-Wide
APR is pleased to present the OEM Golf R/S3 IS38 Turbocharger ECU upgrade for the 1.8T EA888 Gen 3 engine!
APR IS38 Turbo Upgrade
This ECU Upgrade requires the factory IS38 turbocharger, found on the MK7 Golf R. It requires a FWD Race DP or AWD Race DP, upgraded intake and intercooler. It produces 351-357 HP with 335-341 FT-LBS of torque. Gains as high as 146-188 HP and 160-169 FT-LBS of torque are available throughout the power band.
To get more power the vehicle can be outfitted with a catback exhaust and other small modifications without requiring any new modification to the ECU. APR's TCU Upgrade may be required to prevent transmission slip on DQ250 DSG/S Tronic models, and is required to acheive a higher redline.
|Stage||NAR Fuel||ROW Fuel||Max HP||Max TQ||Max HP Gain Over Stock||Max TQ Gain Over Stock|
|- 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 VAG. | RON = ROW Fuel Grades | AKI = North American (RON+MON)/2 Fuel Grades.|
|- Reported wheel figures measured on APR's in house AWD Mustang Dyno with a US Spec 2017 MK7 Golf Sportwagen DSG, 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.|
|Stock As Reported by VAG||91 AKI||95 RON||170 HP||184 FT-LBS|
|Stock As Measured by APR||93 AKI||98 RON||170 HP||198 FT-LBS|
|APR IS38 Golf R Turbo||91 AKI||95 RON||351 HP||335 FT-LBS||+182 HP||+160 FT-LBS|
|APR IS38 Golf R Turbo||93 AKI||98 RON||356 HP||337 FT-LBS||+187 HP||+166 FT-LBS|
|APR IS38 Golf R Turbo||100 AKI||104 RON||357 HP||341 FT-LBS||+188 HP||+169 FT-LBS|
APR ECU Upgrade Included Features
- World Class Calibration Expertise
- Acceleration Enhancements
- Speed Limiter
- Left Foot Braking
- Motorsport Rev Limiter
- Fuel Economy
APR World Class Calibration Expertise
The 1.8T engine uses a Continental Simos 12 and 18 ECU for engine management. Basically, it’s a computer that tells the engine how to operate. Tuning software, like the APR ECU Upgrade, tells the engine how to make more power. It does this by running more boost pressure, optimizing the cam shaft positions, valve lift actuation, adjusting the air/fuel ratio, advancing ignition timing, and more.
A Better Engine Management System:
The 1.8T’s ECU is incredible. Without the driver knowing otherwise, the ECU makes intelligent adjustments to the engine’s operations to keep it running smoothly. Unlike ECUs found in many other makes and models, when properly tuned, the ECU eliminates the need for custom tuning to maximize output, even when weather conditions change dramatically.
How APR Differs from the Competition:
The ECU is powerful, but extremely difficult to master. Without mastery, the ECU must be simplified, removing what makes it so desirable. The result is an incomplete product that often requires end user adjustment to maximize output in limited scenarios. On the contrary, APR’s Engineers spent years mastering the ECU to unlock its full potential. With complete access to the thousands of maps, tables and variables within, as well as a high-level understanding of how it works, APR’s Engineers were able to take advantage of everything the ECU has to offer. Power is maximized in nearly all scenarios, eliminating the need for end user adjustments. High performance operational modes are enabled and calibrated to deliver smooth daily driving, with a snappy and responsive throttle during moments of spirited driving. Mastery of the boost control system makes for an impressively predictable driving experience as the turbo spools quickly, delivering instant power, while torque-by-gear helps with traction control and protects the engine from being lugged out in tall gears. Lastly advanced high-output protection routines are enabled, allowing the ECU to make constant adjustments to airflow and fuel to cool and protect the engine, all without the driver knowing otherwise.
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.
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. Please note, this feature may not be available for all ECUs.
Motorsport Rev Limiter:
APR’s Motorsport Rev Limiter allows the engine to reach max RPM without the ECU slowing down acceleration nearly 150 RPM earlier. The result is more power to redline and a definable redline feeling as seen on Audi Quattro GMBH vehicles such as the RS4, RS5 and R8.
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.
The APR Difference
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’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’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. On the highly modified end, this often allows APR to make turbo upgrades operate without the need for external manual controllers.
APR Direct Port 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!
|Audi A3 (MK3 / Typ 8V)||North America||1.8 TFSI EA888 Gen 3||S Tronic||Front Wheel Drive|
|Volkswagen Golf (MK7 / Typ 5G)||North America||1.8 TSI EA888 Gen 3||5MT & Tiptronic||Front Wheel Drive|
|Volkswagen Golf Alltrack (MK7 / Typ 5G)||North America||1.8 TSI EA888 Gen 3||6MT & DSG||All Wheel Drive|
|Volkswagen Golf Sportwagen (MK7 / Typ 5G)||North America||1.8 TSI EA888 Gen 3||5MT, 6MT, Tiptronic & DSG||Front Wheel Drive & All Wheel Drive|
|IMPORTANT PRICING AND AVAILABILITY DETAILS:|
|- Pricing: Please contact an APR Importer for pricing outside the USA.|
|- 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 IS38 Turbo ECU Upgrade - Existing APR ECU Upgrade Customer|
|APR IS38 Turbo ECU Upgrade - New Customer||$699.99|
How to Purchase
Please 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.
Limited 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.
Phone: (800) 680-7921 Local Phone: +1 (334) 502-5181 Fax: (334) 502-5180 Address: APR LLC, 4800 US HWY 280 West, Opelika, AL 36801
Notice: Products that affect emissions and do not carry a California Air Resources Board Executive Order are not for sale in California, USA. While we try to keep everything current, APR LLC is not responsible for errors in pricing on this web site. All prices are in USD and are applicable to the United States of America only.
¹APR offers free ground shipping to the lower 48 states for purchases over $100.