ISN code from SIEMENS MSS52 can be extracted from 29F200B

Flash. Use any suitable programmer. DO NOT USE Galleto CMD or similar

Flash listed on picture in red rectangulars

 

 

Take out the Flash from the board, insert into programmer and read it.

There are two Flash. Flash1 have ISN inside, Flash2 contains VIN number.

Run ISN Editor, select BMW, select MSS52, upload both dumps and you will see ISN with VIN together.

Upload EWS dump and you will see ISN with VIN stored in EWS. Press DME-EWS button and ISN Editor transfers ISN from DME into EWS, after this press save dump and rewrite synchronized EWS dump back to EWS.

 

For MSS52, its possible to change VIN only, but not ISN