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IE VW & Audi 2.0T TSI Gen 3 IS38 MQB Performance ECU Tune | Fits MK7/7.5 Golf R & 8V S3


Product availability: 

  • In stock - this product is in stock at our Australian storage facility. We despatch same or next business day. 
  • Please email us with your powerlink serial number if you'd like us to update your powerlink with a new file. 


    • Stage 1 & Stage 2 files available to match any level of bolt-on parts
    • Horsepower & torque gains maximized on stock engine & turbo
    • Switch between 91, 93, & 104 octanes at no extra cost
    • Stock boost control optimized for a smooth driving experience
    • Rev limiter increased to 7100 RPM in manual mode or with DSG flash
    • Quick and easy to tune your car at home
    • Launch control boost pressure increased for faster starts (DSG)
    • Increased rev limiters (transmission stock shift points remain)
    • Road speed limiters removed
    • All engine safety protocols remain for reliability and long engine life
    • POWERlink allows file and octane switching in less than 2 minutes
    • Engineered for all climates and elevations
    • Simple data logging for diagnosis purposes
    • Flash back to stock at any time


    IE ECU Stages for your VW Golf R or Audi S3 2.0T IS38 Turbo (MQB) engine is available for stock engines or with modified hardware for Stage 2. Read below to determine the best stage for your build!

    In order to flash your vehicle, you will need an IE POWERlink Direct-port Flash Tool (sold separately) and a Windows 7+ powered laptop. Already own an IE POWERlink cable? Contact us to purchase upgrade credits, there is no fee to upgrade tunes and you only pay the difference in tune cost.

    Follow the link provided with your IE POWERlink Flash Tool to download our Flash Wizard software and follow the on-screen directions to tune your MK7 R or 8V S3 in a matter of minutes!


    Adding an IE Performance ECU Tune to your Golf R packs a serious punch both in performance gains and in additional features resulting in extremely competitive power that will give you the edge on the street or track. IE’s in-house calibration engineers have taken several steps to ensure you a smooth and safe operation by maintaining factory safety limits, or “fail safes”, resulting in reliability. As a final step, the software has been calibrated in test environments that ensure smooth operation in all types of climates and elevations.



    Stage 1 is precisely calibrated to make the most of your stock hardware. Power gains are delivered smoothly across the entire powerband and many performance features have been added. Enthusiasts will have the choice between 91 & 93 fuel octanes and the ability to flash back to stock within minutes. As another added benefit, your IE Stage 1 Tune has been designed to adapt to minor bolt-on modifications, such as an intercooler or intake. Low torque and high torque files are available.

    Stage 1 Low Torque recommended hardware
    -IE Cold Air Intake (recommended)

    Stage 1 High Torque required & recommended hardware
    -IE DSG Transmission Tune (required)
    -IE Cold Air Intake (recommended)


    Ready to release every last ounce of power from your stock turbo 2.0T engine? The Stage 2 ECU tune takes full advantage of performance bolt-ons including downpipe, intake, and intercooler. You can install this setup in a single weekend and transform your Golf R or S3  into a true AWD monster with 432HP and 467TQ! Easily switch between free octane tunes whenever you want to add more power with your choice of 91, 93, or 104 octane files. Load Stage 2 and get ready to experience the true power monster that has been hiding under the hood of your MK7 Golf R or 8V S3.

    Stage 2 required & recommended hardware
    -IE Performance Downpipe (required)
    -IE DSG Transmission Tune (required)
    -IE Intercooler (highly recommended)
    -IE Cold Air Intake (highly recommended)


    All available tune stages include various octanes at no extra cost. Using the IE POWERlink cable you can switch between octanes as needed. You can load high octane files for race day and run regular pump octane on your daily commute and save at the pump.


    • Pump 95
    • Pump 98


    • Pump 95
    • Pump 98
    • Race Fuel 108


    IE’s own in-house developed POWERlink cable gives you the control to unlock your engine’s true potential from your own garage or driveway. Enjoy the freedom to quickly reflash your car’s engine control unit (ECU) or transmission control unit (TCU) with IE’s line of performance tunes. The cable simply plugs into your vehicle’s OBD-2 port delivering instant access to choose different IE Tune stages to match installed hardware, take advantage of different fuel octanes, flash back to stock, perform engine diagnostics, read/clear codes and gather high-quality operating data via logging.