I might be thinking about this too much, but if BMW is coming out with a so-called "crossover" vehicle (more info), what's the use of making the X5 larger/longer/heavier....

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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)