First 2020 BMW X3 M and which is under the hood of the 2020 BMW X4 M BMW M S58 new six-cylinder inline engine has a crankshaft that allows forging extremely high torque levels.
The low weight of the forged crankshaft and the reduced rotating mass also allow the engine to turn to 7,200 rpm. The closed deck design of the six-cylinder engine block makes it incredibly robust by opening the way for
high combustion pressure and increased power. The iron coating on the wire for the cylinder walls reduces both the weight of the motor and the friction losses. In addition, the cylinder head has a core produced using 3D printing. This additional manufacturing process enables the creation of geometric forms beyond the capacity of conventional metal casting techniques.
Cooling systems and oil supply developed from motor sports.
The new six-cylinder inline engine tested pallet cooling system is designed to operate at higher performance levels and two small radiators disposed on both sides of a large central radiator. The system also includes an additional engine oil cooler and a separate transmission oil cooler. This sophisticated system ensures that optimum operating temperatures are maintained at all times during daily trips and road use.Combined with BMW M GmbH, the competitiveness of motor sports makes the presence of the oil supply system necessary to meet the challenges of track driving. The engine's light oil pan has two separate chambers and an integrated suction channel. An additional suction stage allows the map-controlled oil pump to draw oil from the small chamber that is activated when additional flow is required. This ensures a reliable oil supply at all times, even under extreme lateral and longitudinal acceleration and braking forces.
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