I added the key.
BMW X6 F16 BDC
The original key is HELLA315Mhz
I reset the HUF 5662 315Mhz used in F20 with HEXTAG and programmed it.
Put the key on the steering column and the engine will start.
The remote function and keyless go function do not work.
Is it necessary to use the HELLA key?