BMW M3 DTM car history
|Production:||2012 to 2013|
|Top speed:||300 km / h.|
|Acceleration:||100 km / h in 3 seconds|
|Body and chassis|
|Body styles:||DTM Coupe|
|Engine and Powertrain|
|Engine power:||480 hp (353 kW)|
|Tyres/wheels:||Hankook tyres 18-inch aluminum forged wheels|
|Weights and Dimensions|
The BMW M3 DTM is a prototype racing car of the German carmaker BMW , which is visually inspired by the E92 series . The racing car is designed for exclusive use in the DTM and entered there from the 2012 season against the Audi A5 and the C coupe from Mercedes . Already in the debut season, the vehicle won both the driver and the team classification of the DTM.
For BMW, the E92 is the first prototype race car in the DTM. When the company stepped out of the German Touring Car Championship at the end of the season in 1992 , Touring Cars of the Group A were used there, in which essential components, such as a mainly made of sheet metal body, came from the series automobile construction.
The M3 DTM is based optically only on the coupe variant of the BMW M3. The construction consists of a CFK - monocoque chassis with integrated 120-liter fuel tank.
The four-valve V8 naturally aspirated engine has four liters of displacement, a cylinder opening angle of 90 degrees and makes about 480 hp (353 kW). The maximum torque is around 500 Nm. The engine accelerates the car to 100 km / h in about three seconds and reaches a top speed of 300 km / h. due to the regulations are two air restrictor fitted with 28 mm diameter. Power is transmitted via a sequential 6-speed sports transmission with pneumatic actuation via shift paddles on the steering wheel and a 4-disc CFRP clutch from ZF Sachs . For this purpose, the car has an adjustable multi-disc limited slip differential.
The front and rear wheels are individually hung on double wishbones with compression struts and six-way adjustable shock absorbers, in addition there are ventilated carbon-ceramic brake discs and monobloc brake calipers made of light metal. The brake force distribution of the hydraulic dual-circuit brake system can be adjusted continuously by the driver. The 18-inch aluminum forged wheels are unit components, 12 inches at the front and 13 inches at the rear.
The tires come from the unit supplier Hankook . In 2012 , the tires were enlarged compared to the previous season . The front tire now had a width of 300 millimeters and a diameter of 680 millimeters, the rear tire was 320 millimeters wide and 710 millimeters in diameter. For added downforce, the tires featured wing elements on the sidewalls.