Performance ECU Software Precisely Engineered for your Audi 4M RS Q8.  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).

Unitronic Stage 1 Performance software is precisely calibrated for use with 91 AKI / 95 RON fuel.

Unitronic Stage 1+ Performance software is precisely calibrated for use with 93 AKI / 98 RON fuel

Unitronic Stage 2 Performance software is precisely calibrated for use with 93 AKI / 98 RON fuel.

Unitronic Stage 3 ECU Performance Software 4M RS Q8 equipped with the 4.0TFSI EA825 (DJPB) engine and TheTurboEngineers 1020 Hybrid Turbochargers offers up to +336HP / +236LB-FT using 93octane/98ron when combined with Unitronic's Stage 3 AL952 TCU Performance Software. Unitronic Stage 3 TCU Performance Software is required to run Stage 3 ECU tune.

Features:

• Gains over stock: +109HP / +104TQ (91 Octane Fuel) (Stage 1)
• Gains over stock: +162HP / +119TQ (93 Octane Fuel) (Stage 1+)
• Gains over stock: +228HP / +170TQ (93 Octane Fuel) (Stage 2)
• Gains over stock: +345HP / +240TQ (93 Octane Fuel) (Stage 3 BT)
• Engineered with Strict Industry Standards
• Extensively Tested Under Various Driving Conditions
• Factory Safety Limiters Retained
• Advanced Torque Management by Gear (For maximum acceleration)
• 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
• Ignition Timing Precisely Calibrated for Higher Octane Fuel
• Speed Governor Removed
• Hardware Requirements: None

What's Included:

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