ZF Automatic Transmission Tuning – Engineering Precision, Redefined
Unlock the full potential of your ZF automatic transmission with AutoUpgrades precision calibration solutions. Our work is grounded in genuine engineering experience, developed through years of collaboration with ZF Friedrichshafen engineers and extensive real-world testing. This isn’t about guesswork or shortcuts; it’s about methodical control-logic refinement, accurate torque modelling, and consistent performance under every load condition.
We specialise in calibration of ZF6HP and ZF8HP transmissions used across BMW, Audi, Jaguar, Land Rover, Chrysler, Jeep, and other applications. Every change is made using OEM-grade tools, supported by detailed datalogging and verification against factory torque and pressure models. The result is a gearbox that responds faster, holds torque more consistently, and feels mechanically balanced, exactly as a ZF transmission should.
Why Choose AutoUpgrades
Torque Limit Optimisation: Internal torque thresholds raised to match real engine output while maintaining clutch protection strategies.
Refined Shift Logic: Calibrated upshift and downshift maps for faster response, smoother transitions, and reduced torque-fill delay.
Clutch and Thermal Control: Re-mapped clutch pressure and temperature limits for stability during sustained high-load use.
Enhanced Gear Display: Where supported, active gear indication (D1–D8) for clear, accurate feedback.
Throttle Blip Integration: Corrected rev-matching behaviour for natural, coordinated sport-mode shifts.
Launch Behaviour Refinement: Reconfigured launch control logic for more predictable starts with minimal clutch slip.
ZF 6HP Transmission Range
Our calibration coverage includes the entire 6HP family; from 6HP19 through 6HP32A, used across BMW, Audi, Jaguar, and Land Rover platforms. Each variant receives transmission-specific torque management and shift-pressure optimisation to ensure smooth, decisive shifts even under demanding torque loads.
ZF 8HP Transmission Range
The 8HP series remains one of the most advanced automatic transmissions ever built. From the compact 8HP30 to the high-torque 8HP95 used in the RS6, M5, and Trackhawk, our calibrations respect ZF’s mechanical design philosophy while extending its performance envelope. We refine pressure, temperature, and torque request strategies, validating each file against the exact drivetrain configuration; petrol, diesel, hybrid, or supercharged V8.
At AutoUpgrades, every transmission is treated as a precision-engineered system, not a marketing headline. Our approach keeps the control unit, engine, and driveline perfectly synchronised, ensuring predictable torque transfer, consistent shift behaviour, and long-term reliability. The result is a gearbox that performs as ZF intended; fast, refined, and mechanically correct.