Ecotune Software - VAG ZF TCU - B9 S4/5 | SQ5 - S Models
SKU: VAG-ZF
Transform your B9's 8-speed automatic. Ecotune ZF8 software offers faster shifts and improved torque management for S4, S5, and SQ5 at MGM Leeds.
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The ZF8 torque-converter transmission in the Audi B9 platform is exceptionally smooth, but factory settings can feel disconnected during spirited driving. Ecotune’s ZF8 TCU software recalibrates the shift logic to feel more like a dual-clutch system in Dynamic mode, while retaining the silky-smooth comfort the platform is known for during daily commutes.

ZF8 S-Model Enhancements
- Reduced Shift Times: Sharper gear changes across all modes, specifically in S and Manual.
- Raised Torque Limits: Required to unlock the full power of Stage 1 and Stage 2 3.0T EA839 engines.
- Shift Point Optimization: Keeps the engine in the peak power band for longer during acceleration.
- Launch Control Refinement: Improved off-the-line response and torque delivery.

Installation Service
Compatibility
| Audi S4 (B9 / B9.5) | 3.0T V6 |
| Audi S5 (B9 / B9.5) | 3.0T V6 |
| Audi SQ5 (FY) | 3.0T V6 |
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