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Motronic. Motronic is the trade name given to a range of digital engine control units developed by Robert Bosch GmbH (commonly known as Bosch) which combined control of fuel injection and ignition in a single unit. By controlling both major systems in a single unit, many aspects of the engine's characteristics (such as power, fuel economy ...
Engine control unit. An engine control unit (ECU), also called an engine control module (ECM), [1] is a device which controls multiple systems of an internal combustion engine in a single unit. Systems commonly controlled by an ECU include the fuel injection and ignition systems. The earliest ECUs (used by aircraft engines in the late 1930s ...
BMW N52. The BMW N52 is a naturally aspirated straight-6 petrol engine which was produced from 2004 to 2015. The N52 replaced the BMW M54 and debuted on the E90 3 Series and E63 6 Series. The N52 was the first water-cooled engine to use magnesium/aluminium composite construction in the engine block. [1] It was also listed as one of Ward's 10 ...
The TSBs are carefully worded to suggest that the failed HPFPs cause "drivability symptoms." And in May 2010, BMW issued a TSB that extended the HPFP warranty from "4 years or 50,000 miles to 10 ...
The BMW E39 is the fourth generation of the BMW 5 Series range of executive cars, which was manufactured from 1995 to 2004. It was launched in the saloon body style, with the station wagon body style (marketed as "Touring") introduced in 1996. The E39 was replaced by the E60 5 Series in 2003, however E39 Touring models remained in production ...
The BMW N46 is a naturally aspirated inline-four piston engines which replaced the BMW N42 and was produced from 2004 to 2015. [1] The N46 serves as the basis for the smaller BMW N45 engine (which does not have Valvetronic). In 2007, the N46's successor - the BMW N43 - was introduced. However, the direct-injected N43 was not sold in countries ...
Valvetronic. Valvetronic system of the BMW N52 engine. The Valvetronic system is a BMW variable valve lift system [1] which, in combination with VANOS, allows infinite adjustment of the intake valve timing and lift. [2][3] The system claims to improve fuel economy and emissions, and negates the need for a throttle body in regular use. [4]
A PCM from a 1996 Chevrolet Beretta. A power-train control module, abbreviated PCM, is an automotive component, a control unit, used on motor vehicles. It is generally a combined controller consisting of the engine control unit (ECU) and the transmission control unit (TCU). On some cars, such as many Chryslers, there are multiple computers: the ...
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