It’s successful to use GODIAG GT109 DOIP ENET Cable and E-sys software to retrofit BMW HU_ENTRY to HU_ENTRY NAV for bigger screen. GT109 cable has voltage display which can help you check the current vehicle voltage easily.
Operation guide:
Connect GODIAG DOIP ENET Cable to the BMW car and computer properly, and the cable shows the current vehicle voltage (it’s 14.6V)
Run E-sys software
Click the middle icon
Click “Target select to…” select the vehicle info you desire, such as F020, and then click “Connect”
Confirm the vehicle info and confirm to open connection
Click Read>> FA>> Read ECU
Select the corresponding ECU model: HU_ENTRY NAV (63)
Click “Detect CAF to SWE”
Select the F020 CAFD option and click “OK”
Right click HU_ENTRY NAV (63) and select “Code”
Start to do ECU coding
Wait a while till the process is complete
More GODIAG GT109 DOIP ENET tutorials: