Niceee, i was just doing this retrofit and your videos popped in the IG
It is super easy for F85 owners with Parking Assist because major parts are already supporting the retrofit such ass EDC Premium ACC. Just gotta do correct wiring to the ICM and Kafas from the Radar unit.
TJA can be found
here or
here for our cars since it requires HOD (Hands On Detection)
Retrofit 5AT for F10 LCI 2016.pdf