I've always adored the 4.8is.
Actually, kind of keeping my eye open for one...
And Le Mans blue no less.
06 gets my vote as well.

__________________
2005 Z4 3.0i, Sapphire black over Dream red, 6 speed, ZPP, ZSP, heated M-sport seats, Dinan upgrades (ram air duct, high-flow intake, free-flow exhaust, strut and supplemental braces)