This Stage 1 ECU remap is tailored for the 1999 Audi TT 1.8T 20V with Bosch ME7.5 ECU, software version 354178 / 0001. Designed to increase responsiveness and midrange torque, this file unleashes the full potential of the factory K04 setup with recalibrated boost, timing and fueling strategies. A reliable and dyno-tested upgrade for daily driving or spirited road use.
Overview Feature list Copyright info Releases (1) Discussion
- Stage 1 calibration for Audi TT 1.8T 20V with factory K04 turbo
- Boost target raised and N75 regulation mapped for stronger mid-range
- Fuel enrichment tables updated for improved throttle sensitivity
- Timing maps revised for 98RON / premium fuel operation
- Lambda regulation tuned for torque and safety
- Dynamic request and torque intervention lifted
- Torque limiter and throttle angle maps adjusted for linear power
- Idle, startup and warm-up maps untouched for OEM smoothness
- Compatible with Bosch ME7.5 software 354178 / 0001
- Flashable via OBD or bench with ME7-capable tools