Stage 1 VW Crafter 2.5 TDI CR R5 ECU Calibration File – 503937 / SW 5174 (EDC16) 5174

• Stage 1 torque-focused calibration on SW 503937
• Injection and boost settings refined
• EDC16 checksum region verified
• Original + tuned binaries bundled​

• Tailored for VW Crafter 2.5 TDI R5 (manual gearbox)
• Optimizes torque and response without touching emissions
• Suitable for light commercial use and load-focused driving
• Flash only after confirming 503937 / 074906032AS
• Includes backup original file for recovery​