I would say.

1. oil separator
2. Water pump
3. Change plugs
4. Flush Tanny fluid and replace. (see my recent posts for reason)
5. Coolant hoses.

I am sure others will chime in.

__________________
2002 X5 4.6 Sold
Dinan CAI, TB, Mass Air, Stage 4 engine & tranny software, X-pipe
2004 745Li
1997 Ford Mustang Cobra Vert
1985 Mazda RX-7
13B-REW single turbo 60-1, Haltech, Meth injection, MSD Ignition, and much more
2008 Mazda Speed3 Hypertech Tune