BMW 3 / 4 Series (G20 / G22)

Custom ECU calibrations for the BMW G20 3 Series and G22 4 Series, 2018 to present.

Models supported: 320i, 330i, 330e, 420i, 430i, M340i, M440i.

Engines supported: B48, B58.

Stage 1 software-only and Stage 2 catless downpipe calibrations available. Vehicles built before 06/2020 are open ECU. Vehicles built 06/2020 onwards require ECU unlock via Autotuner before tuning. See our ECU Unlock Guide for details.