2011 BMW Z4 GT3

The updated 2011 BMW Z4 GT3 has now survived its baptism of fire, proving itself in a series of intensive tests in recent weeks. The goal of the latest modifications was primarily to improve aerodynamic efficiency.
A difference between the Z4 GT3 race car and the production model on which it�s based can be found under

the bonnet: while the production version of the BMW Z4 is driven by a six-cylinder engine (and soon a four-cylinder engine as well), the GT3 car is powered by a 4.4-liter V-8.
Engineers have also fine-tuned the aerodynamics of the BMW Z4 GT3 for the new season, improving the car�s performance in this area.

When it comes to electronics, private teams can look forward to a number of innovative solutions. A newer-generation ECU408 takes over the engine management, while a Power400 electronic control unit is responsible for controlling all the actuators. The power is transmitted through a six-speed, sequential gearbox. Gearshifts are now initiated using two paddles.

The steel body of the car comes from BMW�s production car plant in Regensburg, Germany. A safety cell made of extremely rigid, precision steel tubing is then welded into the body. The front and rear wings, bonnet, roof, fenders and many other components, meanwhile, are made of carbon fiber reinforced plastics (CFRP). The wheels are forged aluminum units measuring 18-inches in diameter and house a set of aluminum brakes, six-piston units up front with four-pistons in the rear

The race car has achieved great success in the GT3 class series, including a ground-breaking win at the Dubai 24 Hours earlier this year. But despite the car�s competitiveness, BMW knew that it still needed a few improvements. So, the Bavarian automaker let loose and built the new and improved 2011 Z4 GT3 racer.
According to BMW, the goal for the latest version of the Z4 GT3 racer is to primarily improve its

 aerodynamic efficiency to make it more competitive against its rivals in the GT3 class Noticeable improvements done on the new version include an elongated bonnet, a long wheelbase, and the narrow wheel arches. The car was also given a steel body courtesy of the BMW plant in Regensburg, Germany and a safety cell made of sturdy steel tubing that�s welded into the body. Likewise, BMW made good use of carbon fiber reinforced plastics, dressing up the car with the strong yet lightweight material on the front and rear wings, the bonnet, roof, and fenders, among other components.


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