As far as I've read, you can read&program 2URAD with DCan cable in cars with iDrive, but I don't have personal experience with it.
My car is non-iDrive with Professional radio and OPS was only way that worked.
Steps I did:
0. Car was factory equipped with 6FL option which means module with USB+BT)
1. Added $644 in CAS and NFRM (instrucion: google 'USING NCS TO CHANGE VO')
2. Recode 2URAD to settings according VO with OPS head (instruction: google 'coding any ECU with the car VO factory default settings using NCS expertmode profile ')
3. That's ALL.
No messing with VIN.
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