This Stage 1 tuning file for the Ford S-Max 2.0 TDCi with Siemens SID202 ECU improves drivability and midrange torque. Based on software 6G91-12A650-ML and built on the SID20x platform, the calibration optimises fuel injection and boost response for a noticeable increase in pulling power while keeping factory emissions systems active. Checksum correction applied via OLS610.