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New Tuning File Available: Audi R8 5.2 V10 FSI ECU File – 420910552C / 400762 / SW 0040 (Bosch MED9.1 Performance Tune) 0261S02465 - Stage 1 remap for Audi R8 5.2 V10 FSI — sharper throttle, refined fuel maps and maximum safe gains on Bosch MED9.1 ECU.
Welcome to the official discussion thread for the Audi 5.2 V10 FSI tuning package. This calibration is specifically developed for the MED9.1 ECU and optimized to work seamlessly with the Automatic Transmission.
Share your experience!
Have you flashed this file? Drop your dyno graphs, 0-100 times, reviews, or ask any technical questions below!
➜ Download Tuning File / View Full Specs
Discussion & Reviews: Audi 5.2 V10 FSI
Welcome to the official discussion thread for the Audi 5.2 V10 FSI tuning package. This calibration is specifically developed for the MED9.1 ECU and optimized to work seamlessly with the Automatic Transmission.
Share your experience!Have you flashed this file? Drop your dyno graphs, 0-100 times, reviews, or ask any technical questions below!
Extended Product Information
- Stage 1 file for naturally aspirated 5.2L V10 FSI
- Throttle response recalibrated for sharper input and more linear power delivery
- Optimized fuel and ignition maps to extract safe gains without sacrificing reliability
- Lambda targets refined for better part-throttle economy and full-load enrichment
- Speed limiter raised; engine revs to factory-safe limits
- Torque request mapping adjusted for improved midrange urgency
- Checksum section left untouched – verify manually if needed
- Compatible with Bosch MED9.1 (SW 0040 / ECU ID 400762)
- Ideal for use with sport exhaust systems and improved cooling
- Delivered with original and modified versions
➜ Download Tuning File / View Full Specs