2004 BMW 525 I

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2,494 cc 2.5 liters in-line 6 front engine with 84 mm bore, 75 mm stroke, 10.5 compression ratio, double overhead cam, variable valve timing/camshaft and four valves per cylinder

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Premium unleaded fuel 91

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Fuel economy EPA highway (mpg): 28 and EPA city (mpg): 19

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Multi-point injection fuel system

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18.5 gallon main premium unleaded fuel tank

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Power: 137 kW , 184 HP SAE @ 6,000 rpm; 175 ft lb , 237 Nm @ 3,500 rpm