my REALLY uninformed question of the day - is the homelink in my 2001 the same as that on newer X5s??? - I've done all mentioned here, but it refuses to sync with garage door - or am I just SOL

__________________
Mark _______________________________
2001 X5 4.4i topaz blue/sand Sport, complete Dinan S2 , hitch, V1, tint, BSW Stage 1, Alpine INA-W910BT
___________
Life is not fair!
You can't protect people from their own stupidity!
Laughter makes life worth living