STREETCRAFT / CALIBRATION

BMW X3 / X4 M40i 2021 Streetcraft Tune

The Streetcraft Stage 1 — ECU Calibration for the BMW X3 / X4 M40i (2021) raises output from 382 hp / 365 lb-ft factory to 495 hp / 500 lb-ft, priced at $3,499.00. Stage 2 — ECU Calibration · Approved hardware required. and TCU Calibration · Optional options are also available for this vehicle.