Unitronic Stage 2 IS20 ECU Tune 8V A3 1.8T

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UnitronicSKU: UNI-S2IS20-8VA318 DIY Difficulty: EASY

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Performance Stage 2 IS20 ECU Software Precisely Engineered for your 8V A3 with the 1.8T engine.  This vehicle has added support through UniCONNECT+ which allows you to program your own vehicle right in your own garage.

Unitronic software is flashed directly through the (OBDII) diagnostic port of your vehicle (10-15 minutes).


  • Gains over stock: +131HP / +125TQ (93 Octane Fuel)
  • Engineered with Strict Industry Standards
  • Extensively Tested Under Various Driving Conditions
  • Factory Safety Limiters Retained
  • Optimized Responsiveness and Drivability
  • Optimized Smoothness and Driving Comfort
  • Improved Fuel Efficiency
  • Speed Governor Removed
  • Engine Temperature Protection (Rev Limit based on Engine Coolant Temperature)
  • Power Delivery Perfectly Optimized Throughout the Power Band
  • Ignition Timing Precisely Calibrated for Higher Octane Fuel
  • OEM IS20 Turbo Upgrade Calibration
  • Includes all Stage 2 tune variants and all lower software stages as well
  • Hardware Requirements:
    • Downpipe
    • Carbon Fiber Intake
    • Intercooler Upgrade Kit
    • Turbo Inlet Elbow
    • IS20 Turbo Upgrade

What's Included:

  • Unitronic Stage 2 IS20 ECU Tune
  • Unitronic UniCONNECT+ Cable (OPTIONAL)

Vehicle Fitment

Model   + Drivetrain  
8V A3 1.8T I4 [MQB]

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