Bootmod3 (bm3) is the leading OBD-based ECU flash tool for modern BMW engines. It supports the B48, B58, S55, S58, N54, and N55 engine families via a cloud-connected app and hardware dongle, making it the go-to solution for BMW performance tuning workshops worldwide.
Bootmod3 allows OBD flashing without removing the ECU from the vehicle. Its cloud platform enables custom map requests and over-the-air calibration updates. ecufiles.io provides Stage 1 and Stage 2 calibration files in Bootmod3-compatible format for all supported BMW platforms.
Register as a B2B workshop and receive professional tuning files — ready to flash with your tool.
Register Free Browse All Vehicles