用英文写一篇宝马Z4的简介！

Compared to its predecessor, the new Z4 is about 15 cm longer, but the wheelbase has grown just by few mm, this results in slightly longer overhangs which, together with the higher rear sholder - necessary to accomodate the hard-top - and the more conventional lighting units, contribute to give the new Z4 a less extreme look.
　　The range of available engines includes a 2.5 liter and two 3.0 liters engines - all 6-inline cylinders. BMW Power outputs are 204 hp (Z4 sDrive23i), 300 hp (BMW Z4 sDrive35i) and 255 hp in the BMW Z4 sDrive30i.
　　Both models have a manual six-speed gearbox, which can be replaced by a six-speed sport automatic on the Z4 sDrive30i and by a dual-clutch seven gears sport automatic transmission on the Z4 sDrive35i. Both sport automatic transmissions feature steering wheel-mounted paddle shifters.
　　The standard Dynamic Drive Control allows the driver to choose between three drivetrain and suspension settings at the touch of a button.

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