How To Read/Write B38 DME ISN Without Opening The Shell

Purpose: read and write B38 ISN without dismantling.

Method 1: Read /write B38 DME ISN by Yanhua Mini ACDP
Method 2: Read /write B38 DME ISN by CGDI BMW

Let’s go one by one.

Method 1: Read /write B38 DME ISN by Yanhua Mini ACDP
Preparation:
DME module: BMW B38
Device: Yanhua Mini ACDP + module 3+ B38 Integrated Interface Board 
[caption id="attachment_1232" align="alignnone" width="482"] Yanhua Mini ACDP + module 3[/caption][caption id="attachment_1233" align="alignnone" width="500"] B38 Integrated Interface Board[/caption]
Procedure:
Connect ACDP power
Open Mini ACDP APP
Select “BMW”-> “DME ISN”
Click on “Bench Mode Read /Write DME”-> “B38”

Click “Help” to view the wiring diagram
Connect B38 interface board correctly to the DME interface

Then connect ACDP, OBP+ICP adapter, interface board and DME

Follow the prompt to read and write ISN until success

Method 2: Read /write B38 DME ISN by CGDI BMW
Preparation:
CGDI prog BMW + B38 read ISN authorization



Procedure:
Follow the wiring diagram to connect B38 DME with all the devices

Connect 12V, CAN-L and CAN-H, GPT-0, GPT-1 and GND cables in order
Open CGDI BMW software
Click on “N13/N20/N55/B38 read ISN”

Select “B38” chip and click “OK”

Click on “Identify” to read the chip name, ISN and hardware ID

Select “Read ISN” to read DFLASH and ISN

Copy the ISN
Click on “Write ISN”
Read DFLASH success

Save DFLASH data

Backup data success
Paste the ISN read and then change the last digits

CGDI BMW write ISN success

Available link to get B38 READ ISN authorization: http://www.obdiitool.co.uk/wholesale/cgdi-bmw-read-isn-license.html
Choose the method you like!

Source:http://blog.obdiitool.co.uk/read-write-b38-dme-isn-without-opening-the-shell/