Stage 3 Audi TT 1.8T 20V ECU Firmware – ME7.5 354503 / 0002 ( +) - Product specifications
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Dual-version ECU file for Audi TT 1.8T 20V: includes Stage 1 for stock setup and Stage 3 for upgraded turbo with larger injectors.
- Seller Bin
- Creation date
Dual-version ECU file for Audi TT 1.8T 20V: includes Stage 1 for stock setup and Stage 3 for upgraded turbo with larger injectors.
High-performance ECU file set for the 2000 Audi TT 1.8T 20V with Bosch ME7.5 (software 354503 / 0002). This package includes two modified calibrations: Stage 1 for mildly tuned vehicles with stock K03 turbo, and Stage 3 designed for K04-001 or hybrid setups with larger injectors and intake/exhaust upgrades. Perfect for DIY enthusiasts or professional tuners seeking dyno-verified gains and road-ready reliability.
Overview Feature list Copyright info Releases (1)
- Includes Stage 1 for OEM K03 setup and Stage 3 for upgraded turbo
- Boost control, fuel maps and ignition timing adapted per hardware
- Wideband-compatible fueling strategy (if sensor present)
- Torque limitation maps lifted for full performance in all gears
- Enrichment factors and load targeting optimised for larger air mass
- Intake air temp compensation remapped for aggressive setups
- Idle and cold-start parameters kept OEM for stable drivability
- Stage 3 file supports 380cc injectors, larger intercooler and free-flowing exhaust
- Based on Bosch ME7.5 354503 / 0002, verified through dyno logs
- Recommended for track day or street performance builds