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BMW starts the engine of its LMDh car for the first time with the hybrid powertrain



BMW starts the engine of its LMDh car for the first time with the hybrid powertrain

BMW’s LMDh prototype is powered by an experienced engine.

In the WeatherTech SportsCar Championship, LMDh prototype race cars will compete in the GTP class, and while the cars’ chassis and hybrid powertrains come from suppliers, the cars’ combustion engines are supplied by the team. BMW announces that it has chosen to use a P66/3 turbocharged V8 engine in its LMDh car, to be mated to the hybrid system, and although this engine itself is new, it is a descendant of an engine with an all-round motorsports experience. . own self.

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The P66/3 engine started life as the P66/1 engine, a naturally aspirated V8 engine used in the BMW M4 DTM during the 2017 and 2018 seasons. Of all the engines that BMW had to choose as the basis for the LMDh engine, the P66 /1 was the closest to being ready for LMDh. However, it still took a lot of effort to convert it from a DTM engine to an engine for the LMDh race car. First, turbochargers had to be added and the engine had to be adjusted accordingly. Once this engine, the P66/2, was tested, the P66/3 was created, this time specifically designed to fit the Dallara-supplied chassis and other components of the LMDh race car. It has a regulated output of 640 horsepower and 479 pound-feet of torque. Now BMW has announced that the engine and hybrid system have successfully started together, and testing of the car will soon begin in preparation for the first race at Daytona in 2023.

Source: BMW

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