STREETCRAFT / CALIBRATION
BMW 840i 2020 Streetcraft Tune
The Streetcraft Stage 1 — ECU Calibration for the BMW 840i (2020) raises output from 335 hp / 369 lb-ft factory to 435 hp / 445 lb-ft, priced at $1,899.00. Stage 2 — ECU Calibration · Approved hardware required. and TCU Calibration · Optional options are also available for this vehicle.