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

XPROG-M-Programmer-Read-BMW-CAS4-5M48H-1

Run XPROG software,and click [Device] button

XPROG-M-Programmer-Read-BMW-CAS4-5M48H-2

Select [Immobilizers]–>[CAS4 1N35H 5M48H…1030 v1]–>[1N35H_5M48H_D-FLASH_v1]

XPROG-M-Programmer-Read-BMW-CAS4-5M48H-3

Now click [Read] button

XPROG-M-Programmer-Read-BMW-CAS4-5M48H-4

The XPROG-M programmer indicate light will flash

XPROG-M-Programmer-Read-BMW-CAS4-5M48H-5

XPROG-M-Programmer-Read-BMW-CAS4-5M48H-6

Progress…

XPROG-M-Programmer-Read-BMW-CAS4-5M48H-7

It will show you with the information as below

XPROG-M-Programmer-Read-BMW-CAS4-5M48H-8

After then you can get the D-Flash data,save it on you laptop

XPROG-M-Programmer-Read-BMW-CAS4-5M48H-9

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