The BMW Z4 is a rear-wheel drive sports car by the German car maker BMW. It follows a line of past BMW roadsters such as the BMW Z1, BMW 507, BMW Z8, and the BMW Z3. The Z4 replaces the Z3. First generation production started in 2002 at BMW USA's Greer, South Carolina plant, with production of both roadster and coupe forms. When debuted, it won Automobile Magazine "Design of the Year Award". Starting with the 2009 model year, the second-generation Z4 is built at BMW's Regensburg, Germany plant as a retractable hardtop roadster. In 2009, the BMW Z4 won the Red Dot Design Award.
The vehicle was originally announced December 13, 2008. The vehicle was unveiled in 2009 North American International Auto Show in Detroit. This time a coupe-convertible with folding hardtop, the Z4 (E89) will be built in Regensburg alongside the (E93) 3-Series Cabrio, likely due to the U.S. plant needing more room for SUV production. It moved upmarket, dropping the small four-cylinder base engine. In late 2011 BMW reintroduced a 2.0 litre, 4-cylinder power plant with twin-scroll turbo (N20 engine variant).
General specifications :
Country : Germany.
Numbers built : NO.
Introduced : 2009.
Configuration : Straight 6.
Location : Front, longitudinally mounted.
Construction : Aluminium alloy block and head.
Displacement : 2.979 liter / 181.8 cu in.
Bore / Stroke : 84.0 mm (3.3 in) / 89.6 mm (3.5 in).
Compression : 10.2:1.
Value train : 4 valves / cylinder, DOHC.
Fuel : Direct Fuel Injection.
Aspiration : Twin Turbo.
Power : 300 bhp / 224 KW @ 5800 rpm.
Torque : 407 Nm / 300 ft lbs @ 1400 rpm.
BHP/Liter : 101 bhp / liter.
Chassis : Unitary steel.
Steering : Rack-and-pinion.
Brakes : Ventilated discs, all-round, ABS.
Gearbox : Dual-Clutch 7 speed Automatic.
Drive : Rear wheel drive.
Weight : 1585 kilo / 3494.3 lbs.
Length / Width / Height : 4239 mm (166.9 in) / 1790 mm (70.5 in) / 1291 mm (50.8 in).
Wheelbase / Track (fr/r) : 2496 mm (98.3 in) / 1511 mm (59.5 in) / 1537 mm (60.5 in).
Performance figures :
Power to weight : 0.19 bhp / kg.
Top Speed : 250 km/h (155 mph) (limited).
0-60 mph 5.0 s.
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