Unitronic Stage 3 ECU + TCU Performance Software Package – Audi RS3 8V / TTRS 8S 2.5 TFSI EVO (TTE700 / TTE777 Turbo Upgrade)
Complete Engine & Transmission Calibration for Hybrid-Turbo Power
Unleash the full potential of your Audi RS3 8V or TTRS 8S 2.5 TFSI EVO (DAZA / DNWA) with the Unitronic Stage 3 ECU and TCU Performance Software Package, engineered specifically for vehicles equipped with TTE700 / TTE777 hybrid turbo systems.
This integrated ECU + DSG tuning suite delivers the perfect balance of raw power and refined drivability — producing aggressive acceleration, seamless gear changes, and factory-level reliability when used with the proper supporting hardware.
⚙️ ECU Performance Highlights
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Designed for TTE700 / TTE777 Turbo Upgrades: Optimised mapping to maximise boost, fuel, and ignition parameters for 700–800 HP capable setups.
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Fully Calibrated for Stage 3 Hardware: Supports upgraded intake, downpipe, intercooler, and fueling systems.
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Improved Throttle Response: Sharper pedal input and smoother power delivery across the rev range.
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Advanced Knock, Lambda & EGT Protection: Maintains OEM-level safety with additional headroom for higher boost pressure.
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Includes All Lower Stages: Flash back to Stage 2 / 1 maps at any time — included within the software suite.
Expected Output (with supporting mods): Up to 700–780 HP / 650–700 lb-ft, depending on turbo, fuel type, and ambient conditions.
🔑 TCU (DSG) Performance Highlights
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End-User Programmable with UniCONNECT+: Flash your TCU from home in minutes — approximately 70 seconds for this platform.
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Optimised D & Sport Modes:
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D-Mode: refined for smooth daily driving and efficiency.
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S-Mode: tuned for aggressive upshifts and quicker acceleration.
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Up to 70 % Faster Gear Shifts: Lightning-quick response for improved track performance and power delivery.
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Launch Control Limit Removed: Factory limiter (200 launches) unlocked for unlimited, repeatable launches.
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Raised Torque Limiters: Calibrated to handle significantly higher torque from big-turbo power levels.
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Increased Clutch Clamping Pressure: Prevents clutch slip and ensures consistent grip under extreme torque loads.
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Full Staged Software Suite: Includes all Stage 3 and lower TCU calibrations for maximum flexibility.
🧩 Compatibility / Application
| Vehicle |
Engine |
Turbo |
Transmission |
| Audi RS3 8V / 8V.2 (2017–2020) |
2.5 TFSI EVO (DAZA / DNWA) |
TTE700 / TTE777 Hybrid Turbo |
DQ500 7-Speed DSG |
| Audi TTRS 8S (2017–2020) |
2.5 TFSI EVO (DAZA) |
TTE700 / TTE777 Hybrid Turbo |
DQ500 7-Speed DSG |
Software availability depends on your specific ECU / TCU Box Codes.
📋 Product Details
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Brand: Unitronic
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Product Name: Stage 3 ECU + TCU Performance Software Package
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Compatible Engine: 2.5 TFSI EVO (DAZA ONLY)
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Compatible Turbo: TTE700 / TTE777 Hybrid Turbo Kits
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Transmission: DQ500 7-Speed DSG
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Recommended Hardware: Full Stage 3 Supporting Mods (Intake, Downpipe, IC, Fueling, etc.)
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Programming Method: UniCONNECT+ (End-User OBD Flash)
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Includes: All lower ECU / TCU stages within the suite
💬 Why Choose Unitronic Stage 3 for TTE700 / TTE777 Builds?
Unitronic’s Stage 3 ECU + TCU package is the definitive calibration solution for high-output RS3 and TTRS platforms. Developed and tested with TTE turbocharger hardware, it delivers smooth drivability, consistent performance, and unrivalled gearbox control.
Whether your goal is to dominate on the drag strip or enjoy supercar-level performance on the street, this software suite transforms your Audi into a truly elite performer.
Haz Motorsport Limited is an official Unitronic UK dealer
