You get alot of "bells n' whistles" with the top end 4.6 or 4.8 - the 4.4 is your "pick n' choose" model - Which is the way I went because I did not want the sunroof - Find out what options you really want (or need), and choose accordingly - the 4.4 also seems to get the best hwy mileage

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