Audi TT RS 2.5 TFSI ECU File – 509077 / SW 0010 / MED9.1 Bosch Binary Stage 1 - Product specifications
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Stage 1 for Audi TT RS 2.5 TFSI (CEPA) – improved boost response & smoother mid-range torque on MED9.1
- Seller Bin
- Creation date
Stage 1 for Audi TT RS 2.5 TFSI (CEPA) – improved boost response & smoother mid-range torque on MED9.1
Stage 1 remap for the 2.5L CEPA-engine Audi TT RS (2010), calibrated on Bosch MED9.1 ECU. Designed to enhance mid-range punch and deliver sharper throttle response while retaining OEM drivability. Ideal for lightly modified or stock setups.
Overview Feature list Copyright info Releases (1) Discussion
- Optimised Stage 1 remap for Audi TT RS with CEPA 2.5L turbocharged engine
- Calibrated on Bosch MED9.1 for reliable power delivery and improved throttle sensitivity
- Maintains OEM safety strategies while enhancing boost and ignition maps
- No torque limiters or emissions systems disabled — perfect for daily-driven vehicles
- Smooth cold start and part-load transitions preserved for urban drivability
- Compatible with bench or OBD flashing tools supporting MED9.1
- Delivered with checksum status N/A – verify with tool before flashing
- Ideal for stock or lightly modified setups (intake, intercooler, exhaust)
- Developed and tested on 2010 Audi TT RS 6-speed manual
- For off-road / motorsport use only – confirm regional regulations before use