Ecotune Software - VAG 4.0 TFSI C8 RS6, RS7, RSQ8, URUS
SKU: VAG40TFSI
Unlock the ultimate potential of your C8 RS6, RS7, or RSQ8. Ecotune 4.0 TFSI software delivers supercar-slaying performance, professionally installed at MGM Leeds.
-
Fast UK Delivery
Delivered in 2-3 Business DaysFast UK Delivery on all Orders, please see delivery information.
-
30 Day Money Back
GuaranteeAll returns must be postmarked within fourteen (14) days of the purchase date. All returned items must be in new and unused condition, with all original tags and labels attached.
-
Can't find your product?
Contact Us!Not all of our products are listed online, we have an expert team on hand to help you with all of your performance related enquiries. Contact us

The Ecotune recalibration for the C8-generation 4.0 TFSI V8 twin-turbo engine is a masterclass in software engineering. Designed for the RS6, RS7, RSQ8, and Lamborghini Urus, this software transforms an already potent platform into a dominant force. Our calibration focuses on optimizing the complex thermal management and twin-scroll turbocharger delivery to provide a relentless surge of power while maintaining the sophisticated factory safety limits.

C8 Performance Enhancements
- Engine Management: Advanced ignition and boost control tailored for the latest Bosch MG1 ECU.
- Torque Scaling: Significant increases in mid-range torque for effortless high-speed overtakes.
- Optimized Cooling: Software-level adjustments to coolant flow to manage the increased power output safely.
- Linear Delivery: Engineered to keep the luxury GT feel while providing brutal acceleration when requested.
- Professional Flashing: Installed in-house at MGM Leeds using state-of-the-art diagnostic equipment.
Tuning Configurations
Choose the level of integration required for your vehicle. For the C8 platform, we highly recommend the combined ECU and TCU package to manage the immense torque output.
Stage 1 ECU
Significant power gains on stock hardware. Perfect for a daily driver looking for RS6 Performance levels and beyond.
ECU + TCU Remap
Unlocks higher torque limits in the ZF8 transmission and provides faster, more decisive shift logic.
MGM Leeds Workshop Service
To ensure the highest quality results, all Ecotune software is installed at our specialized facility in Leeds.

Compatibility
| Model | Engine Code |
|---|---|
| Audi RS6 / RS7 (C8) | 4.0 TFSI V8 |
| Audi RSQ8 (4M) | 4.0 TFSI V8 |
| Lamborghini Urus | 4.0 TFSI V8 |
Note: Due to the complexity of the MG1 ECU, specific software versions may require bench unlocking. Check your gains at our Tuning Calculator.
Related Products
Customer Reviews
What We Offer...
MOORFIELD GARAGE LIMITED is an Introducer Appointed Representative of Ideal Sales Solutions Ltd, t/a Ideal4Finance. Ideal Sales Solutions Ltd is a credit broker and not a lender (FRN 703401). Finance available subject to status. The rate offered is always provisional and will depend upon your personal circumstances, the loan amount and the term.