E-Sys without additional data files is useless. You also need PSdZData_Lite or PSdZData_Full and a Launcher (e.g., BimmerUtility, E-Sys Launcher PRO).
: When coding or flashing with E-Sys, the vehicle's ignition must be on. A 70A+ dedicated power supply Bmw Esys 3.36 Download
Which would you like?
: Program and update ECU firmware using the "Full" version of PSdZData. E-Sys without additional data files is useless