Will Xhorse vvdi key tool plus read BMW CAS4+ (engine N63) ISN code? via OBD or Bench?
Yes, it will read N63 ISN on bench.
Don’t enter from Programmer->BMW menu.
Go to Prog->ECU->BMW
Drop down and select F engine MEVD1728 (N63/S63)
You need Bosch ECU adapter XDNP30 to read ISN.
Key tool plus will show to wiring diagram to connect ECU adapter and ECU
Then follow the prompts to read ISN code.