Unitronic Stage 2 ECU Tune 8V RS3 2.5T

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UnitronicSKU: UNI-S2-8VRS325 DIY Difficulty: EASY

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$850 $1,000

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Performance Stage 2 ECU Software Precisely Engineered for your 8V RS3 with the 2.5T 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: +110HP / +136TQ (91 Octane Fuel)
  • Gains over stock: +154HP / +173TQ (93 Octane Fuel)
  • Gains over stock: +181HP / +175TQ (104 Octane Fuel)
  • Gains over stock: +221HP / +210TQ (E60-E85 Octane Fuel)
  • Engineered with Strict Industry Standards
  • Extensively Tested Under Various Driving Conditions
  • Factory Safety Limiters Retained
  • Engine Temperature Protection (Rev Limit based on Engine Coolant Temperature)
  • Optimized Responsiveness and Drivability
  • Optimized Smoothness and Driving Comfort
  • Power Delivery Perfectly Optimized Throughout the Power Band
  • Improved Fuel Efficiency
  • Speed Governor Removed
  • Left Foot Braking (LFB) Enabled
  • Spark-based "Motorsports" Style Rev-limiter Enabled
  • Exhaust Crackle/Overrun Enabled
  • Exhaust Flaps Always Open in Dynamic/Sport Mode
  • Includes all Stage 2 tune variants and all lower software stages as well
  • Hardware Requirements:
    • Downpipe
    • EVO Spark Plug Set
    • Intake System
    • Turbo Inlet Elbow
    • Intercooler
    • Stage 2 TCU Tune

What's Included:

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

Vehicle Fitment

Model   + Drivetrain  
8V RS3 2.5T I5 [MQB]

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