WaRFiElD on the www.HackTheIbus.com forum founds some interesting
code for his E46!

3F 05 00 0C 01 01 turn off interior lights
3F 05 00 0C 02 01 open trunk
3F 05 00 0C 03 01 lock doors + fade out interior lights
3F 05 00 0C 05 01 open trunk (again??)
3F 05 00 0C 13 01 return some data, relating to light control?(unsure)
3F 05 00 0C 30 01 turn on key buzzer for 2 seconds + fade-in/out interior lights
3F 05 00 0C 34 01 lock/unlock doors

3F 05 00 0C 41 01 Open rear driver window
3F 05 00 0C 42 01 close rear driver window

3F 05 00 0C 43 01 close rear passenger window
3F 05 00 0C 44 01 open rear passenger window

3F 05 00 0C 45 01 trigger unknown relay (coming from rear doors?)

3F 05 00 0C 46 01 lock front passenger door only
3F 05 00 0C 47 01 lock front driver door only

3F 05 00 0C 49 01 trigger wipers
3F 05 00 0C 4A 01 trigger unknown relay (under cluster)
3F 05 00 0C 4B 01 trigger windshield washer pump for 3 seconds (no liquid sprayed)
3F 05 00 0C 4E 01 turn-on clown nose for 3 seconds
3F 05 00 0C 4F 01 lock all but driver door

3F 05 00 0C 52 01 Open front driver window
3F 05 00 0C 53 01 close front driver window

3F 05 00 0C 54 01 Open front passenger window
3F 05 00 0C 55 01 close front passenger window

3F 05 00 0C 60 01 turn on interior lights for 3 seconds
3F 05 00 0C 62 01 spray windshield washer fluid
3F 05 00 0C 63 01 trigger trunk relay for 3 seconds (use 95 01 or 02 01 instead for release only)
3F 05 00 0C 68 01 fade out interior lights
3F 05 00 0C 70 01 flash hazards + turn on interior lights
3F 05 00 0C 73 01 trigger many door relays, don't know what it does
3F 05 00 0C 75 01 flash hazards for 3 seconds (no blinker in-dash)

3F 05 00 0C 7E 01 open sunroof
3F 05 00 0C 7F 01 close sunroof

3F 05 00 0C 95 01 open trunk (yes, again!)
3F 05 00 0C 97 01 lock/unlock doors




- lock remote pressed:
00 04 BF 72 12 DB
00 05 BF 7A 70 00 B0 - interior light control
00 04 BF 72 02 CB

lights start to dim to off 8 seconds after press:
00 05 BF 7A 30 00 F0 - interior light control

unlock (quick press)
00 04 BF 02 00 B9
00 05 BF 7A 70 00 B0 - interior light control