Overview of known and tested FECs.
X M.I.B. standard in addfec.txt

FEC	Function	Skoda	VW	Seat	Audi	Bentley	Porsche
00030000	AMI Enable	X	X	X	X	X	X
00040100	Navigation	X	X	X	X	X	X
00050000	Bluetooth Enable	X	X	X	X	X	X
00060100	Fahrzeugdatenschnittstelle (SAI_VehicleData)	X	X	X			X
00060200	Infotainmentsteuerung (SAI_RearSeatEntertainment)	x1	x1	x1
00060300	Mirror Link	x3	x3	x3	x3	(x3)	(x3)
00060400	Sport-HMI	X	X	X
00060500	Sport Chrono						X
00060700	Mobile Online Dienste (MOD) im HMI					X	X
00060800	Apple Carplay	X	X	X	X	X	X
00060900	Google Automotive Link	X	X	X	X	X	X
00060A00	Race-App (SAI_PerformanceData)	(x)	(x)	(x)	(x)	(x)	(x)
00060B00	Baidu Carlife	(x2)	(x2)	(x2)	x2
00060F00	Digital Audio Broadcast (DAB) full
00070100	SDS Speech Dialog System (Sprachbedienung)					X	X
00070200	SDS Speech Dialog System (Sprachbedienung) for Navigation	X	X	X	X	X	X
00070400	ICC – Innenraumkommunikation	x1	(x1)	(x1)	(x1)

X M.I.B. standard in addfec.txt
x1 option on purchase, retrofit possible, requires additional hardware and 5F dataset
x2 China only
x3 officialy discontinued on Android devices
( ) expected, but untested

08300008	Skoda EU Maps - Lifetime	Skoda	VW	Seat	Audi	Bentley	Porsche
083D0008	Skoda MRM Maps - Lifetime	x
09300008	VW EU Maps - Lifetime		x
09310008	VW NAR Maps - Lifetime		(x)
093200FF	VW CN Maps - Lifetime		x
09330008	VW Japan Maps - Lifetime		(x)
093D0008	VW MRM Maps - Lifetime		x
073000EE	Seat EU Maps - Lifetime			x
023000EE	Audi EU Maps - Lifetime				x
023100EE	Audi NAR Maps - Lifetime				x
023200EE	Audi China Maps - Lifetime				x
033000EE	Bentley EU Maps - Lifetime					x
033100EE	Bentley NAR Maps - Lifetime					(x)
033D00EE	Bentley ROW Maps - Lifetime					(x)
06300099	Porsche EU Maps - Lifetime						x
063A0099	Porsche Korea Maps - Lifetime						x
063D0099	Porsche ROW Maps - Lifetime						x
06310099	Porsche NAR Maps - Lifetime						x

( ) expected, but untested