In reading through some other posts I think my fan clutch may be bad. There is a lot of fan noise after start up and very noticeable while driving. AC doesn't cool when idling but works fine other wise and my MPG has been horrible 10-12 mpg in city.

__________________
2001 E53
Build Date 10/2000
4.4 sport package
Topaz Blue/Tan
150k on the clock and crossing my fingers
Grom USB Interface