This is the guide about flashing an ECU on BMW F series by the original AutoHex II Scan tool.
Open the AutoHex software.
Select “Coding Programming”.
Calculating required updates…
Select “Indiv Programming” to go to programming and coding ECUs. And then click the next button.
Then you can see “Individual Programming Report”. A lot of second hand ECUs mounted in this vehicle.
Select “ ACSM” and click the next button to flash/ encode airbag.
VIN is invalid. Click the play button.
When the video is playing, AutoHex II will set the vehicle in programming mode, which takes time…(depends on the vehicle ECUs).
NOTE: WAITING until the bottom buttons turn blue.
Flashing boot loader…
Flashing main program…
Returning the car to the normal mode…
Encoding the ECU…
When the bottom buttons turn blue, click the back button to the “Individual Programming Report” interface.
Again, select “ ACSM” and click the next button.
VIN is OK now.
Click the back button.
Click the EXIT button.