I still recall richard Hammond calling the Z4 a "proper sports car."
but that video is getting hard to find...
Found this on Youtube:
Fifth Gear - Audi TT Mk2 3.2 VS BMW Z4 3.0
And this:
Porsche Boxter and BMW Z4
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2005 3.0i, Black Sapphire, SMG, Navigation, Heated leather, iPod w/Dice, Carver Subs, Sport, Foamless SG, 3M Clear Bra, Sirius, 18 inch 107's