2006 BMW Z4 3.0si Roadster Convertible

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2,996 cc 3 liters in-line 6 front engine with 85 mm bore, 88 mm stroke, 10.7 compression ratio, double overhead cam, variable valve timing/camshaft and four valves per cylinder N52

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Premium unleaded fuel 91

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Fuel economy EPA highway (mpg): 30 and EPA city (mpg): 20

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Multi-point injection fuel system

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14.5 gallon main premium unleaded fuel tank

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Power: 190 kW , 255 HP SAE @ 6,600 rpm; 220 ft lb , 298 Nm @ 2,750 rpm