BMW Z4 Roadster · sDrive23i Executive · Convertible · 2009 ‐ 2011

Manufacturing version sDrive23i Executive of auto models Z4 Roadster was started in 2009 by BMW, and lasted until 2011. This vehicle has 2 doors, the body chassis is in the form a cabriolet, weight 1.4 tons and length 4.2 meters, which allows a seat 2 people in sum.

«Z4 Roadster sDrive23i Executive» auto with a 6-speed sequential automatic gearbox is fitted to the rear wheels. This car can be accelerated for 7.3 seconds to 100 km/h, with a max speed of 239 km/h, due to a 6-cylinders petrol motor with a «direct injection fuel system», which produce a peak power of 204 horsepower at 6400 rpm.

Fuel rate is 11.8 liters in the urban driving mode, on the suburban 6.1 l, and the mixed fuel consumption is 8.2 l per 100 km. Fuel tank volume is 55 liters of petrol, what lets to drive roughly 671 kilometers unrefueled.

The front wheels of this model have ventilated disks, 300 mm brakes and fixed to the chassis with help of suspension «MacPherson, independent, coil springs» and equipped with sway bar. Rearward wheels have ventilated disks, 300 mm brakes and fixed to the body chassis with help of suspension «Longitudinal arms, independent, coil springs». Tires have the next size - 225/45R17.

BMW Z4 Roadster is not tested for crash test Euro NCAP. Furthermore to passive safety features (passenger, driver, side airbags), it is also has dynamic systems of safety such as ABS, Brake assistant, EBD, Traction control, ESP.