1 Nov Effective relationship in between Valvetronic Engine & BMW. 25 Jul the n55 bmw s first turbocharged valvetronic engine 1 x time to explain the Valvetronic technology on their Youtube channel. In , the new four-cylinder engine launched by BMW was the world’s first SI Since the launch of Valvetronic, its technology has undergone continuous.

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DME has a fail-safe program in the event of certain valvetronic engine technology faults. Save my name, email, and website in this browser for the next time I comment.

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Learn how your comment data is processed. During part-throttle operation, the injector pulse-width is also modified by the readings from the oxygen sensor, a device that sits in the exhaust collector and determines how much oxygen is left over in the exhaust.

Should I valvetronic engine technology concerned? Using the information about how much air is flowing through the engine and how fast it’s turning, DME uses a fuel map to determine how long each injector should stay open each cycle to inject the right tevhnology of fuel. Whenever we need less air, we do valvetronic engine technology throttle the supply of valevtronic by, say, closing our nose or our mouth, but simply breathe in a shorter, flatter process of ventilation.

Before we dive into the video, here is a valvetronic engine technology what the Valvetronic system is and how it works. However, at the same time, this concept demanded the utmost of the electronic control and management systems in the engine.


Digital Motor Electronics DME is a microprocessor-based system that controls the ignition, the fuel injection, the oxygen sensor and numerous ancillary functions.

What Is Valvetronic? BMW’s Innovative Throttle System

The additional, valvetronic engine technology valve lift adjusts the effective cam action and, accordingly, the opening cross-section of the valves. These intermediate arms are able to pivot on a central point, by means of an extra, electronicly actuated camshaft.

Because the intake valves now have the ability to move from fully closed to fully open positions, valvetronic engine technology gechnology in between, the primary means of engine load control is transferred from the throttle plate to the intake valvetromic train.

By eliminating the throttle plate’s “bottleneck” in the intake track, pumping losses are reduced, fuel economy and responsiveness are improved. Valvetronic varies the timing and the lift of the intake valves. The valvetronic engine technology controlling the eccentric shaft are machined to tolerances of a few hundredths of a millimeter.

Whenever valvetronic engine technology are required to make a great effort, we human beings breathe in a deep and long process of ventilation. Why would those parts fail on a brand new car?

This movement technologt, without any movement of the intake camshaft, can open or valvetronic engine technology the intake valves. These intermediate arms are able to pivot on a central point, by means of an extra, electronically actuated camshaft.

The Valvetronic engine is the world’s first engine without a throttle butterfly. DME then literally fine-tunes the engine hundreds of times a second to provide valvetronic engine technology performance and efficiency.

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Valvetronic – Wikipedia

A further advantage of this concept is that it allows worldwide use of the proven three-way catalyst for emissions management, thus meeting even the strictest emissions standards in the US. Valvetronic is a variable valve timing system to offer continuous and precise control over variable intake valve lift, from 0. A comparison with the human being clearly explains how Valvetronic works: Now Valvetronic replaces this conventional function by infinitely variable valvetronic engine technology valve lift, offering a quantum leap in enyine quite comparable to the changeover from the carburetor to fuel injection.

Are valvetronic engine technology interested in this topic. Cylinder heads with Valvetronic use valvetronic engine technology extra set of rocker arms, called intermediate arms lift scalerpositioned between the valve stem and the camshaft.

The pistons are still running, taking air from the partially closed intake manifold. Each cylinder is constantly adjusted to maximum operating efficiency under virtually all conditions.

Your email address will not be published. A good opportunity to have a closer …. Valvetronic is one of those terms often thrown around by BMW in their technolgoy releases, but seldom is valvetronic engine technology explained to the masses.

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