CG Pro 9S12 Read BMW CAS4 Data without Removing Components

In this instruction i will show you guide on how to use CG Pro 9S12 programmer to read & write data for BMW CAS4 without removing components.

Preparations:

CG Pro 9S12 Programmer

New DB25 Adapter

New released BMW CAS4 Module

Procedures:

Remove PCB inner board from BMW CAS4 module

It is “5M48H” chip

Run software,and then select “Immobiliser”–>”BMW”–>”CAS4-5M48H(Convanience)”

Then select “Diagram”

Select “5M48H Metal Convenience”

Follow instruction to solder DB25 adapter on BMW CAS4 PCB board

Then connect DB25 adapter to CG Pro 9S12

Back on software the click “Read” button

Operation completed

Save Data

Then we perform the first verification to see if the data have miles

Select “Dashboard”–>”BMW”–>” CAS4-5M48H(Convanience)”–>”Open”

Open the data you just saved

Check the massage info,it show you verified successfully and mileage displayed correctly

Perform final verification to check if key information is available

Select “Key”–>”BMW”–>” CAS4-5M48H(Convanience)”,then open the data save just above

Click “Key Function” button

Open the data file save above

Verification successfully,it show the VIN and key information.

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