Porsche Fuhrmann Engine (Type 547)

Porsche Fuhrmann Engine

The Porsche Fuhrmann Engine (Type 547) was named after its inventor Ernst Fuhrmann, and built from 1953 to 1964. The Type 547, also called “drawer engine”, is an air-cooled four-cylinder boxer engine with four overhead camshafts that are powered by four vertical shafts. The crankcase, cylinder and cylinder heads of the engine are made of aluminum alloy. The […]

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Mercedes AMG Performance All-Wheel Drive: 4MATIC

Mercedes 4MATIC

The 4MATIC was named after the automatically switchable axle drives, which, in contrast to conventional all-wheel drives, are only activated when needed. To control the drives different driving situations are evaluated electronically. With its performance-oriented fully variable torque distribution it combines the advantages of four-wheel drive with those of a rear-wheel drive. This means traction and […]

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Porsche Tiptronic Transmission

Porsche 996

Porsche has always been known for its outstanding transmission units. This is no different with the Porsche Tiptronic, the predecessor of the Porsche dual-clutch transmission (PDK). The Tiptronic, which can also be operated automatically or manually as needed, is a good combination of both worlds. History The development of the Porsche Tiptronic transmission was based […]

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Porsche PDK Dual-Clutch Transmission (Porsche Doppelkupplungsgetriebe)

For every Porsche fan, the three letters ‘PDK’ carry a magical meaning. This could be partly because they abbreviate a complicated German term like ‘Porsche Doppelkupplungsgetriebe’. On the other hand, it is due to the seven speed dual clutch transmission technology behind it. Porsche PDK Dual-Clutch Transmission The PDK dual-clutch transmission is in principle an […]

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VANOS: The Variable Valve Timing System by BMW

VANOS stands for variable camshaft control (German: Variable Nockenwellen Steuerung), and is a trademark of BMW AG. It represents a device for influencing the valve timing of the engine by controlling the camshaft. This regulation of the valve opening times allows an increase in the efficiency of the engine, depending on the respective load behavior, which can […]

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Diesel Exhaust Fluid (DEF): The urea solution for diesel engines

Diesel Exhaust Fluid (DEF) Diesel exhaust fluid (also AdBlue) is a standardized urea solution consisting of a urea-water mixture. It is used to reduce nitrogen oxide emissions in diesel engines, which is achieved by a cathalytic reduction. Actually, you need ammonia, which is not easy to use in its pure form. Therefore, harmless urea is used, which […]

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Filter Systems in Cars

Various filter systems are performing many different functions in cars. In addition to the air filter and the oil filter, there are other filter systems such as fuel filters and cabin filters. Fuel Filter Fuel can contain various impurities which, among other things, reach the tank during filling. These are often, for example, pieces of […]

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Mercedes M 178 – The 4.0l V8-Biturbo Engine of the AMG GT

The Mercedes M178 As a sibling model of the M 177, the Mercedes M 178 DE 40 AL has modifications to the drivetrain and the oil supply, as well as lightweight construction elements. The powerful 4.0-liter V8 twin-turbo with direct injection is installed as a front mid-engine on the front axle of the AMG GT […]

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Secondary air injection on gasoline engines

The secondary air injection system of gasoline engines ensures a reduced emission of pollutants in the warm-up phase when starting the engine. During this time, the engine requires a mixture with fuel surplus until reaching the operating temperature, with the result that some of the fuel leaves the combustion chamber unburned. Since the lambda control […]

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