BMW_Isn supports ISN reading from immobilizer system CAS3

Use any suitable K-Line or D-CAN BMW interface

Reading procedure supported via OBD socket directly or on the bench (direct connect to DME) with D-CAN interface and switching CAN speed to 100 kbp/s

You must apply power, ground, CAN High and CAN Low from D-CAN interface

Run software, adjust COM PORT, press Read, and wait for read ISN