This is the guide on how to read ISN by CGDI-BMW Engine Control Computer.
CGDI BMW MSD85 computer
Open the software and enter the corresponding operation interface.
Select “MSD85” and click “OK”
Step 1: check the related wiring diagram.
Step 2: wiring.
After wiring, connect the wiring harness to CGDI.
Step 3: identify the engine control computer.
Recognize successfully , display related information.
Step 4: read ISN.
Read successfully, show the ISN.