BMW F32 2016 all keys lost is done by xhorse vvdi key tool plus.
Put the wires directly to the ecu (EDC17C50) and you can read ISN on bench without removing it from the car entirely.
Disconnect battery negative clamp, remove fem/bdc, remove engine ecu.
1. Reading isn, use bosch ecu adapter and multi-function converter cable
2. Read fem/bdc key
4. Make a dealer key, enter the read isn
If you want to add a key, just take out the fem and follow step 2-4. In step 4, use a working write key.
for example, add key to BMW F30