When BMW's structural engineers were developing the Z4, they created a body/chassis structure with exceptional stiffness for a roadster. The team achieved 21 Hertz # – truly outstanding for a roadster, and close to the 25-26 Hz of today's BMW sedans. To attain this remarkable rigidity, the engineers incorporated a number of special structural features, including Y-form front structural members, ultra-strong side sills and underbody, 'thrust plates' that add rigidity to the front and rear suspension attachment points, and extensive use of high-strength steels. To save weight and help optimize front/rear weight distribution, the Z4 hood is of aluminum. Rollover protection is provided by an exceptionally strong windshield frame and two rollbars mounted behind the seats.
bmw z4 reviews,transmission,
Engine [Optional Engines]
Engine Configuration I
Displacement 3.00 L | 183.1 cu in. | 3001 cc.
Valves 24 valves.
4 valves per cylinder.
Horsepower 255.00 HP @ 6600.00 RPM
Torque 220.00 Ft-Lbs @ 2750.00 RPM
HP to Weight Ratio 11.8 LB / HP
HP / Liter 85.0 BHP / Liter
Compression Ratio 10.7:1
Fuel Type Gasoline - Petrol
Cargo Volume 8.50 cu. ft.
Passenger Volume 57.001 cu. ft.
Fuel Capacity 14.5 Gal
Seating Capacity 2
Length 161.101 in | 4092 mm.
Width 70.101 in | 1780.6 mm.
Height 51.101 in | 1298 mm.
Wheelbase 98.201 in | 2494.3 mm.
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