Push your Ford Focus 1.5 GTDI to the next level with this Stage 2 ECU remap based on the Siemens/Continental EMS25xx unit. Designed around software version F1FAEKD, this calibration delivers aggressive throttle response, sharper turbo boost, and extended torque curve while preserving reliable daily use characteristics. Built on Siemens Tricore architecture and checksum-verified using OLS818.