- Ignition Timing Precisely Calibrated for 104 Octane Fuel(109RON)
Stage ECU 2
Stage 2 E60-E85 – 621 HP / 564 LB-TQ ( +221 HP / +210 LB-TQ )
- Ignition Timing Precisely Calibrated for E60-E85 Fuel (UNITRONIC UPGRADED INJECTORS /SHARP-MOTORSPORT UPGRADE INJECTORS REQUIRED)
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Performance Software for your ECU Box Code is subject to availability.
2019+ models may require to have the hood opened during the flashing process.
Unitronic Stage 2 E85 Performance Software is precisely calibrated for use with E60-E85 fuel, engineered for a vehicle that has full hardware bolt-ons. It is the performance upgrade that will result in the most gains!
NOTE: E85 calibrations are not full flex-fuel calibrations, therefore, when using an E85 ECU calibration, the engine is only designed to operate on E85 blends from E60-E85.
Using an E85 calibration with pump gasoline or race gas may result in engine damage.
Unitronic strongly recommends the use of an Ethanol Content Analyzer, to ensure Ethanol content levels are within the permissible range. When switching between gasoline to ethanol, please use Unitronic’s fuel conversion guide here. Unitronic recommends using NGK R7437-9 spark plug gapped to 0.024” +/-0.002” (0.6mm +/0 0.05mm) with Stage 1+ E85 and Stage 2 ECU calibrations, with a replacement interval of 10,000-15,000 miles (16,000-24,000 km).
Installation
Flashed directly through the (OBDII) Diagnostic port of your vehicle (10-15 minutes).
UniCONNECT+
This vehicle has added support through UniCONNECT+ which allows you to program your own vehicle right in your own garage.
Features for all Stages
- Engineered with Strict Industry Standards
- Extensively Tested Under Various Driving Conditions
- Factory Safety Limiters Retained
- Greatest Power and Torque Gains in the Industry
- Optimized Responsiveness and Drivability
- Optimized Smoothness and Driving Comfort
- Power Delivery Perfectly Optimized Throughout the Power Band
- Improved Fuel Efficiency
- Speed Governor Removed
- Lower End Hesitation (Lag) Removed
UNITRONIC TCU UPGRADE SOFTWARE
FOR AUDI TTRS MK3 2.5TFSI
UNITRONIC STAGE 1 DSG

Installation
Flashed directly through the (OBDII) Diagnostic port of your vehicle (10-15 minutes).

UniCONNECT+
This vehicle has added support through UniCONNECT+ which allows you to program your own vehicle right in your own garage.
Features
- End-User Programmable with UniCONNECT+
Flash your TCU from the comfort of your own home or garage. Within minutes (approximately 70-seconds to be exact on this platform), you’ll be enjoying an entirely transformed driving experience.
- Optimized D & Sport Modes
D-mode is optimized for everyday daily driving and economy, while S-mode is optimized for faster acceleration.
- Quicker Gear Shifts
Unitronic’s TCU Performance Software calibration enhances the gear shift speeds making them up to 70% quicker.
- Launch Control Engagement Limit Unlocked
Unitronic’s TCU Performance Software unlocks the factory launch control limiter. The OEM launch control limiter blocks the engagement of launch control after only 200 launches.
UNITRONIC STAGE 2 DSG

Installation
Flashed directly through the (OBDII) Diagnostic port of your vehicle (10-15 minutes).

UniCONNECT+
This vehicle has added support through UniCONNECT+ which allows you to program your own vehicle right in your own garage.

Features
- End-User Programmable with UniCONNECT+
Flash your TCU from the comfort of your own home or garage. Within minutes (approximately 70-seconds to be exact on this platform), you’ll be enjoying an entirely transformed driving experience.
- Optimized D & Sport Modes
D-mode is optimized for everyday daily driving and economy, while S-mode is optimized for faster acceleration.
- Quicker Gear Shifts
Unitronic’s TCU Performance Software calibration enhances the gear shift speeds making them up to 70% quicker.
- Launch Control Engagement Limit Unlocked
Unitronic’s TCU Performance Software unlocks the factory launch control limiter. The OEM launch control limiter blocks the engagement of launch control after only 200 launches.
- Raised Torque Limiters
Unitronic’s Stage 2 TCU Performance Software calibrations increase TCU torque limiters to allow for an increased output and has been developed alongside Unitronic’s upcoming Stage 2 ECU Performance Software for the ultimate overall experience.
- Increased Clutch Clamping Pressure
Unitronic’s Stage 2 TCU Performance Software calibrations increase clutch clamping pressure and has been developed in conjunction with and alongside Unitronic’s Stage 2 ECU Performance Software, supporting the increase in engine torque output and ensuring that the clutches properly grip allowing for the higher output to be sustained.
- Full Staged Software Suite
Includes all Stage 2 tune variants and all lower software stages as well.
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