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Unitronic Stage 3 TCU

For Audi C8 RS6 4.0 TFSI EA825

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Unitronic Stage 3 TCU Performance Software for the AL952 8-speed ZF gearbox is calibrated for use specifically with Unitronic's Stage 3 ECU Performance Software.

Performance Software for your TCU Box Code is subject to availability.

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Features
  • Unitronic Engineers identified gearbox originating torque limitations on the TCU side of the AL952 transmission. In order to overcome these limitations, while ensuring proper torque management and operation, a TCU Performance Software was required to run Unitronic Stage 3 ECU Performance Software for TTE1020 Turbochargers.

    Stage 3 TCU Performance Software calibrations necessarily increase the torque limiter to 1300Nm for seamless torque management and harmonious operation with the corresponding Unitronic ECU calibrations and further enhance the user experience. At the moment, some MY2023 vehicles may have TCUs with locked bootloaders and thus are not tuneable through the OBD2 port. Support for these locked bootloaders is in the works. If you have a vehicle with the locked TCU, Unitronic offers Stage 3 ECU calibrations suitable for safe use with the stock TCU calibration in a slightly limited torque format.
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Oil and Additives Recommendation
Unitronic uses and recommends Liqui Moly Oil & Additives exclusively for your vehicle, which meet Audi/VW approvals. To ensure your vehicle is maintained with the #1 oil brand in Germany, see what is recommended for you with the
Liqui Moly Oil Guide.
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$500.00USD $650.00USD You save $150USD until May 9th, 2025

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Combo discount available
Save 15% or $150 (whichever is greater) on NEW Unitronic Performance Software from April 21, 2025 to May 9, 2025.
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Unitronic Software Guarantee for Audi C8 RS6 4.0 TFSI EA825 Unitronic Software Warranty for Audi C8 RS6 4.0 TFSI EA825 Unitronic Hardware Warranty for Audi C8 RS6 4.0 TFSI EA825
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