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The “Le Mans 24 Hours” racing classic Favorites to race with Bosch diesel technology once again


· Bosch is engineering partner of Audi Sport and Peugeot Sport

· Both manufacturers to line up with diesel common-rail systems

· In 2008, the top six finishers were diesels

At the 2009 “Le Mans 24 Hours” endurance race on June 13-14 in France, two favorites will again race with Bosch diesel technology.

The team of Audi Sport has entered the race again this year. In the last three years, its R10 TDI took the title – each time with Bosch technology. The R10 TDI was the first car with a diesel engine to take the overall title. This year, Audi Sport is replacing it with its successor, the R15 TDI. For this model, too, Bosch is Audi’s development partner for the entire fuel injection system. The system includes the high-pressure pump, high-pressure rail, injectors, as well as the Bosch Motorsport electronic control unit. Other Bosch Motorsport components include the starter and alternator as well as vehicle data logging and a telemetry system to transmit data from vehicles to the pits during the race.

Peugeot Sport’s 908 HDi FAP is another race car to contend with. Here too, Bosch is a development partner, delivering with high-pressure pump, rail, and injectors as the entire diesel injection technology. In addition, Bosch Motorsport supplies the vehicle electronics with the electronic control unit as well as the starter and alternator. Peugeot Motorsport has participated in the race since 2007, and took second place in both 2007 and 2008.

A 24-hour race is a major challenge for the technology in the car. The entire 2009 Formula 1 season, which features 17 races, does not cover a much longer distance. This is why the required durability of each individual component is a major challenge, as well as the integration of the entire system, which comprises hydraulics, electronics, and data acquisition.

“In 2008, all first six cars to finish had diesel engines,” says Dr. Gerhard Turner, president of the Bosch Diesel Systems division. “Their teams fully exploited the main benefits of diesel technology: high engine torque and low fuel consumption.” While it is still seldom used in motor sports, the diesel has been a force to reckon with in regular traffic for some time now. Since 1995, diesel’s share of newly registered cars has increased from 22 to about 50 percent. Bosch played a fundamental role in the development of modern high-pressure systems such as common rail, and was the first supplier to start series production of these systems.

As an experienced systems and components supplier for many racing series, Bosch Motorsport and its experts have the systems competence and integration know-how required for motor sport applications. Bosch Motorsport is part of Bosch Engineering GmbH, a Bosch subsidiary that specializes in engineering services, and which can look back on a long tradition in the world of motor sports. As early as 1903, Bosch technology first helped racing drivers to victory.

The Bosch Group is a leading global supplier of technology and services. In the areas of automotive and industrial technology, consumer goods, and building technology, some 280,000 associates generated sales of 45.1 billion euros in fiscal 2008. The Bosch Group comprises Robert Bosch GmbH and its more than 300 subsidiaries and regional companies in over 60 countries. If its sales and service partners are included, then Bosch is represented in roughly 150 countries. This worldwide development, manufacturing, and sales network is the foundation for further growth. Each year, Bosch spends more than 3.5 billion euros, or eight percent of its sales revenue, for research and development, and applies for over 3,000 patents worldwide. With all its products and services, Bosch enhances the quality of life by providing solutions which are both innovative and beneficial.

The company was set up in Stuttgart in 1886 by Robert Bosch (1861-1942) as “Workshop for Precision Mechanics and Electrical Engineering.” The special ownership structure of Robert Bosch GmbH guarantees the entrepreneurial freedom of the Bosch Group, making it possible for the company to plan over the long term and to undertake significant up-front investments in the safeguarding of its future. Ninety-two percent of the share capital of Robert Bosch GmbH is held by Robert Bosch Stiftung GmbH, a charitable foundation. The majority of voting rights are held by Robert Bosch Industrietreuhand KG, an industrial trust. The entrepreneurial ownership functions are carried out by the trust. The remaining shares are held by the Bosch family and by Robert Bosch GmbH.

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