Uhh, yeah....X5 without a doubt.
The X5 3.0 is ok but better than the X3 3.0, the 4.4 is rockin'.....4.6 is rollin'....and 4.8...is da BOMB~!
Well, if you had a FULLY loaded X3 3.0 with Nav. and EVERYTHING (including the entertainment package)....it will be considered ok.