Audi RSQ3 2.5 TFSI ECU Firmware – 8U0907404B / 003874 / MED17.1.1 (Dual Options) Stage 2  - Releases

Dual-variant Stage 2 firmware for Audi RSQ3 2.5 TFSI – includes standard and aggressive MED17.1.1 calibrations.
Audi RSQ3 2.5 TFSI ECU Firmware – 8U0907404B / 003874 / MED17.1.1 (Dual Options)
Performance ECU firmware for the 2015 Audi RSQ3 with the 2.5 TFSI CZGA engine. This package includes two Stage 2 variations calibrated for Bosch MED17.1.1 with software version 003874 and ECU ID 8U0907404B — a balanced daily Stage 2 and a harder, high-response variant. Ideal for vehicles with downpipe, intake and DSG7 performance TCU tune. Developed on dyno and road-tested to ensure consistent delivery across all gears.
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B&C Consulting via EVC reseller (bcconsulting.lu) 🇱🇺 Luxemburg

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07K907309D
  • Complete pack (original + stage 1/2)
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