If you buy the Ford USB lead in the rear armrest at around £230 you get a serial number the dealer can register. The lead is two wires and a plug each end, which is a few quid from China or scheme on yourself.
Updates I believe would then be done via USB stick, other members are expert and can supply updates and hacks.
I’ve converted mine now, cost about 700 I think, didn’t add it all up though.
Magnetic Grey with all the best bits
FPM375/COBB/MSD- Quaife LSD, DSC+Tractive Suspension, HJS200 cell sports cat and MT Cooler. Sync3 upgrade.
Was UK seller for DSC & Tractive Active suspension !!!