having problems with the E65 7-Series iDrive?

hey there people, listen, for those who own and drive a 745i or 745Li, or 760Li, r u havin problems wit the iDrive computer, and some systems of the car, my father drives the 1 of the 745i's from the 1st production line in 2001, so plz answer this forum if u r havin any problems what so everwith the car