I have a BMW assist account and a 2008 BMW I just bought. It seems BMW Assist is not showing up in i-drive. According to the BMW website, this should be good for 4 years..

__________________
2008 X5 Black
Active vent. seat Package, Cold Weather Package
Premium Package, Premium Sound Package
Rear Climate Package, Sport Package w/ 20" wheels
Technology Package, Active Steering
Comfort Access system, Running boards
Comfort seats w/lumbar support, Heated front seats
Heated rear seats, Dark Bamboo wood trim
3rd row seat, Park Distance Control, Navigation system, Head-up Display, BMW Assist, HD radio, Satellite radio, Rear seat entertainment, iPod and USB adapter