| Term | Description | | --- | --- | | CAFD | Control unit identifier | | FA | Fahrzeugauftrag (vehicle configuration) | | VO | Vorratsauftrag (vehicle configuration template) | | Coding | Modifying software configuration | | Programming | Updating firmware |
is the gold-standard software used by dealerships, independent specialists, and advanced enthusiasts to modify the firmware and feature settings of modern BMW vehicles (typically chassis from the E-series through the G-series). Unlike consumer-grade OBD dongles, E-Sys writes directly to the vehicle’s Electronic Control Units (ECUs), enabling deep personalization. bmw esys coding cheat sheet
