I have a 2016 P100DL eligible for retrofit to FSD.
I took a shot in the dark and scheduled an appointment via the app for "upgrade to AP HW3".
To my surprise they accepted the appointment, sent me an invoice for $0 that said:
"ASSY,AUTOPILOT.ECU,3.0, MSX-FUSED(1655000-70-H) 1.0"
and "Firmware...