Chinacardiags will show you how the CGDI AT-200 read BMW MSD85, MAS87 ECU by OBD. And give you free download link for AT200
Following is the operation of reading ECU information on BMW MSD85
First, Install the software well.
BMW AT-200 software download:
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This is an BMW MSD85 ECU
Connect the device together with ECU and the computer.
Choose Model, Engine and ECU
You can get the ECU information include VIN and ISN and so on!
Same operation for BMW MSD87