There have been several award-winning cars from BMW over the years, including the BMW Z4 of 2004. There are two trim levels to the Z4, including 2.5i and 3.0i. The 3.0i version is one of the more popular options, outselling other configurations. Like in 2003 the popular 3.0 liter has made this a popular choice for convertible buyers nationwide.

Read more about the 2004 BMW Z4

The Z4 Roadster 3.0si is equipped with a BMW 3.0 liter six-cylinder engine that utilizes 24 valves. The engine is mated to a ZF 6-speed Transmission. This configuration has proven to be a successful design for BMW.

Read more about the 2006 BMW Z4

The 2007 Z4 is an important vehicle to BMW for the convertible market segment. The Roadster 3.0si is a member of a series of five trim levels for the Z4 which include Coupe 3.0si, M Coupe, M Roadster, Roadster 3.0i, and Roadster 3.0si. The two-door car with its rear-wheel drive is positioned to aggressively fill this niche for BMW. There is strong competition from vehicles from Nissan.

Read more about the 2007 BMW Z4

The restyled Z4 2.5i is equipped with a 2.5-liter six-cylinder engine that utilizes 24 valves. The engine is mated to a Getrag five-speed transmission. This has resulted in an increase in horsepower and torque over the 2002 version.

Read more about the 2003 BMW Z4