BMW 645CI 2004 -------------- CAR SPECIFICATIONS Engine Displacement: 4398 cc. Engine Location: FRONT Engine Type: NORMAL Engine Max Horsepower: 325 bhp @: 6100 rpm Engine Torque: 330 lb-ft @: 3600 rpm Compression Ratio: 10.5 :1 Maximum engine speed: 6400 rpm Transmission Type: MANUAL Number of Gears: 6 Gear Ratio 1st: 4.17 :1 Gear Ratio 2nd: 2.34 :1 Gear Ratio 3rd: 1.52 :1 Gear Ratio 4th: 1.14 :1 Gear Ratio 5th: 0.87 :1 Gear Ratio 6th: 0.69 :1 Final drive ratio: 3.38 :1 Driving wheels: REAR Car test weight: 3781 lb. % weight on front wheels: 50 % Wheelbase: 108.4 in. Tire section width: 245 mm. Wheel diameter: 18 in. Tire profile: 45 % Coefficient of drag: 0.29 Overall height: 54.1 in. Overall width: 73.0 in. Ground clearance: 5.9 in.