BMW Z4 Roadster · 2.5si · Convertible · 2006 ‐ 2009

Model of automobiles Z4 Roadster, modification 2.5si launched production by BMW from 2006 and finished in 2009. The weight of the car is 1.3 tons and a length of 4.1 meters, It is shaped as cabriolet with 2 doors, and can be placed in a 2 person including the driver.

«Z4 Roadster 2.5si» have a rear-wheel drive auto with a 6-speed sequential automatic gear shift. This auto can speed up for 6.9 s to 100 km/h, with a max speed of 238 km/h, owing to a 6-cylinders petrol motor engine with a «multipoint injection system», which produce a peak power of 218 hp at 6500 rpm.

Fuel tank volume of this automobile is 55 liters of petrol, so when mixed fuel rate is 9 liters per 100 km (6.8 liters on the track, 12.8 liters in the urban), what let you drive approximately 612 kilometers unrefuelled.

The front wheels of this auto have ventilated disks, 286 mm brakes and attached to the underframe using suspension «MacPherson, independent, coil springs» and equipped with anti-roll bar. Rearward wheels have disks, 280 mm brakes and attached to the body chassis through suspension type «Longitudinal arms, independent, coil springs». Tires have the following dimensions - 225/50R16.

In accordance with the data of Euro NCAP crash test, this model of BMW Z4 Roadster received the great quantity of stars - four, indicating that it is a reasonably safe automobile. In addition to passive safety systems (driver, side, passenger airbags), it is also equipped with active systems of safety such as Traction control, ABS, EBD, Brake assistant, ESP.