Unitronic Stage 3 ECU & TCU Software Package – Audi RS3 / TTRS 2.5 TFSI EVO DAZA For IMS750HS Xona Hybrid Turbo Upgrade - (Includes UNI Connect+ Flashing Cable)
Complete ECU & DSG Calibration for IMS750HS Turbo Builds
Unlock the true potential of your Audi RS3 8V / 8V.2 or TTRS 8S 2.5 TFSI EVO DAZA equipped with the Iroz Motorsport IMS750HS Turbo Upgrade with Unitronic’s Stage 3 ECU + TCU Performance Software Package. Developed for serious power seekers, this dual calibration suite delivers incredible acceleration, seamless shift performance, and OEM-grade reliability when paired with the right supporting hardware.
Designed specifically for the DAZA engine platform, this software extracts every ounce of potential from your IMS750HS turbo setup — providing the ultimate combination of precision, power, and control.
⚙️ ECU Performance Highlights
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Optimised for IMS750HS Turbo Upgrades: Developed in collaboration with Iroz Motorsport for DAZA engines using the IMS750HS hybrid/full-frame turbo system.
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Stage 3 Calibration: Engineered for complete Stage 3 hardware setups — upgraded intake, downpipe, intercooler, fueling system, and optional built motor.
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Enhanced Throttle & Boost Mapping: Sharper throttle response, precise boost control, and smooth power delivery across the full RPM range.
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Advanced Safety Strategies: Knock, lambda, and EGT protections tuned to maintain reliability even under extreme boost and temperature conditions.
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Full Stage Suite Access: Includes Stage 3 and all lower ECU maps for tuning flexibility as your build evolves.
Expected output: up to 720–760 HP / 650–700 lb-ft depending on setup, fuel quality, and environmental factors.
🔑 TCU (DSG) Performance Highlights
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End-User Programmable via UniCONNECT+: Flash your DSG TCU from home in minutes using Unitronic’s OBD interface.
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Optimised Drive Modes:
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D-Mode: refined for everyday comfort and smoothness.
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S-Mode: tuned for aggressive, performance-oriented acceleration.
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Up to 70% Faster Gear Shifts: Significantly reduced shift times for sharper, more connected performance driving.
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Launch Control Limit Removed: Factory limiter unlocked — enabling unlimited, repeatable launches.
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Raised Torque & Clutch Pressure Limits: Calibrated to withstand increased torque output from IMS750HS turbo setups.
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Complete Stage Suite: Includes Stage 3 TCU and all lower levels of DSG tuning.
📦 Compatibility / Application
| Vehicle |
Engine |
Turbo Upgrade |
Transmission |
| Audi RS3 8V / 8V.2 (2017 – 2020) |
2.5 TFSI EVO DAZA only |
Iroz Motorsport IMS750HS Turbo |
DQ500 7-Speed DSG |
| Audi TTRS 8S (2018 – 2020) |
2.5 TFSI EVO DAZA only |
Iroz Motorsport IMS750HS Turbo |
DQ500 7-Speed DSG |
Note: Software availability depends on ECU/TCU box codes. Recommended for complete Stage 3 builds with proper supporting mods. Not compatible with DNWA engines.
📋 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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Engine Compatibility: 2.5 TFSI EVO DAZA only
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Turbo Compatibility: Iroz Motorsport IMS750HS Turbo
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Transmission: DQ500 7-Speed DSG
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Recommended Hardware: Full Stage 3 supporting mods (intake, downpipe, intercooler, fueling, engine build optional)
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Programming Method: UniCONNECT+ End-User OBD Flash or Authorised Dealer
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Includes: All lower ECU and TCU software stages within the package
💬 Why Choose Unitronic for Your IMS750HS Build?
Unitronic’s Stage 3 ECU + TCU Software Package provides an integrated calibration solution for DAZA engines running the IMS750HS turbo. This software is the result of extensive real-world testing, balancing maximum performance with consistent drivability and gearbox reliability.
Perfect for enthusiasts aiming to achieve supercar-level performance from their RS3 or TTRS, without sacrificing refinement or long-term durability.
Unitronic recommends Liqui Moly Oil & Additives meeting Audi/VW approvals for all tuned vehicles.
