This article shows the procedures on reading & decoding BMW CAS4 5M48H with XPROG-M Programmer.
Procedures:
Remove BMW CAS4 module and get 5M48H controller from PCB
Then weld it on the XPROG-M adpater
Run XPROG software,and click [Device] button
Select [Immobilizers]–>[CAS4 1N35H 5M48H…1030 v1]–>[1N35H_5M48H_D-FLASH_v1]
Now click [Read] button
The XPROG-M programmer indicate light will flash
Progress…
It will show you with the information as below
After then you can get the D-Flash data,save it on you laptop