The Bavarian Motor Works better known by its abbreviated form BMW introduced the Z4 in 2002. The Z4 replaced the Z3 model. In 2006 the coupe version of the Z4, numbered E36 was introduced. The new Z4 was introduced with the buyer getting a choice of four engines to choose from. The engines offered were a 2.0 liter engine which could achieve 100 kilometers per hour in 7.7 seconds, a 2.5 liter engine with a manual gear system, a 2.5 liter engine weighing 1,335 kilograms and 3.0 and 3.2 liter engine.

Except the cars with the 3.0 liter engines, all Z4 models had a 5 speed manual gear system. The car with a 3.0 Liter engine has a Getrag gear system that has 6 speeds.

In the model year 2006, BMW came into the market with a new classification for the Z4. Now the Z4 models were classified as the M roadster and the M coupe. The coupe was introduced for the first time in the Z4 family of cars. These cars were given a new automatic gear speed system of six gears, a new suspension, redesigned tires, and the brakes were improved to better the stability of the car.

For the model year 2007, the BMW Z4 is available in two body types designated as the 3.0i and the 3.0si. The 3.0i which is only available in the roadster category is available with 17 inch alloy tires, a system to keep an eye on the pressure of all four tires, heated mirrors, seats that could be hand adjusted in six different ways and a stereo system with 10 speakers and a cd player. Along with these features, the 3.0 si has leather seats, a place in the center of the car to rest one's hands, and an expensive stereo system. Among the safety measures installed on the Z4 is protection to make sure that the car does not roll over on its side, a system to protect the knees of the driver and passengers seated in the front of the car in case of a crash.