VW Golf 5 GTI 2.0 TFSI MED9.1 ECU File – Software 387479/SW 0030 Stage 2  - Product specifications

Stage 1 & 2 tuning for Bosch MED9.1 – ECU 0261S02217 / Prod 1K0907115J
Stage 1 & 2 tuning for Bosch MED9.1 – ECU 0261S02217 / Prod 1K0907115J
VW Golf 5 GTI 2.0 TFSI MED9.1 ECU File – Software 387479/SW 0030
This dual-stage calibration for the 2.0 TFSI Golf 5 GTI offers enhanced performance and responsiveness. Stage 1 boosts midrange torque for daily driving, while Stage 2 introduces additional airflow and fueling adjustments for tuned setups. Based on Bosch MED9.1, it features optimised ignition, boost and throttle maps.
Modified By
B&C Consulting via EVC reseller (bcconsulting.lu) 🇱🇺 Luxemburg

Overview Feature list Copyright info Releases (1) Discussion

  • Stage 1 with increased torque and smoother throttle transitions
  • Stage 2 adds fueling and ignition changes for tuned intake/exhaust
  • Boost pressure maps raised for mid/high RPM gains
  • Throttle sensitivity improved for sportier feel
  • Fuel cut-off and overrun logic refined
  • Lambda and AFR control adjusted for tuned components
  • Torque limiters lifted in all gears
  • Compatible with MED9.1 flash tools (bench or OBD)
  • No checksum correction included – validate manually
  • Includes both Stage 1 and Stage 2 versions

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