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BMW Technology: The Triumph Of Ecology

2024

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Video: BMW Technology: The Triumph Of Ecology

Video: BMW Technology: The Triumph Of Ecology
Video: Technological obesity 2024, March
BMW Technology: The Triumph Of Ecology
BMW Technology: The Triumph Of Ecology
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Soon, serial BMWs will give recommendations for economic driving (lower right corner of the instrument cluster). At the moment, the computer recommends that the driver remove his foot from the gas pedal: there is a turn with a decrease in speed, which can be reached by coasting. The source of data on the features of the road is a navigation system

Вскоре серийные БМВ будут давать рекомендации по экономичному вождению (правый нижний угол комбинации приборов). В данный момент компьютер рекомендует водителю снять ногу с педали газа: предстоит поворот со снижением скорости, до которого можно доехать и накатом. Источник данных об особенностях дороги - навигационная система
Вскоре серийные БМВ будут давать рекомендации по экономичному вождению (правый нижний угол комбинации приборов). В данный момент компьютер рекомендует водителю снять ногу с педали газа: предстоит поворот со снижением скорости, до которого можно доехать и накатом. Источник данных об особенностях дороги - навигационная система

Soon, serial BMWs will give recommendations for economic driving (lower right corner of the instrument cluster). At the moment, the computer recommends that the driver remove his foot from the gas pedal: there is a turn with a decrease in speed, which can be reached by coasting. The source of data on the features of the road is a navigation system. Soon, serial BMWs will give recommendations for economic driving (lower right corner of the instrument cluster). At the moment, the computer recommends that the driver remove his foot from the gas pedal: there is a turn with a decrease in speed, which can be reached by coasting. The source of data on the features of the road is a navigation system.

Almost a year and a half has passed since the previous BMW report on the technology of effective dynamics (ЗР, 2011, No. 6). The list of models that emit less than 120 g / km of CO2 has since grown from 19 to 30 positions. And there is no doubt that the Bavarians will conquer new heights by the next meeting with reporters. The key to success is a family of engines built from universal half-liter cylinders with a capacity of up to 50 kW each.

THE ART OF SMALL FORMS

Decided to start from a minimum - the new three-cylinder engine is ready to go into production even tomorrow. Of course, it will not be easy for fans of the brand to come to terms with such inferiority. However, an ignorant person will not notice the lack of cylinders. A gasoline sample implanted under the hood of a hatchback of the first series produces 180 hp. and famously wears a “penny” along the tracks of the landfill, limited by cones. The shortness of the straights did not prevent acceleration to 150 km / h, after which the engine enthusiasm does not end at all. The sound of a beginner is what you need. The Bavarians assure: no synthesizers, only a lively voice.

The main carriers of the three-cylinder engine will be the front-wheel-drive single-compartment and the next generation “Mini”. It will also receive BMWs of the 1st and, possibly, 3rd series

Основными носителями трехцилиндрового мотора станут переднеприводный однообъемник и следующее поколение «Мини». Его получат также БМВ 1-й и, возможно, 3-й серий
Основными носителями трехцилиндрового мотора станут переднеприводный однообъемник и следующее поколение «Мини». Его получат также БМВ 1-й и, возможно, 3-й серий

The main carriers of the three-cylinder engine will be the front-wheel-drive single-compartment and the next generation “Mini”. It will also receive BMWs of the 1st and, possibly, 3rd series. The main carriers of the three-cylinder engine will be the front-wheel-drive single-compartment and the next generation “Mini”. It will also receive BMWs of the 1st and, possibly, 3rd series.

Emphasizing the importance of a universal cylinder, and not the engine as a whole, BMWs prefer to give characteristics in terms of 500 cubes. Gasoline "boiler" will produce from 40 to 70 hp and from 60 to 90 N.m of torque, diesel - from 27 to 60 hp and from 75 to 100 N.m. The spread is due to boost pressure and the number of superchargers.

One and a half liter engines were born at once in two versions: gasoline and diesel. Their factory designations are B38 and B37, respectively. While the Bavarians have not formed a line, however, we dare to assume that each motor will appear in three or four versions, with power in the range from 100 to 220 hp. The three-cylinder engine is balanced in terms of inertia forces of the first and second orders. But they have to fight with their moments, for which they install a balancing shaft. The remainder of the vibrations is suppressed by the power unit bearings. As a result, harmful vibrations do not reach the body, and the driver does not even feel a slight tremor.

The number of common parts for gasoline and diesel engines with the same number of cylinders reaches 40%. Their aluminum blocks are also unified. And among engines operating on the same type of fuel and differing only in the number of cylinders, unification will approach as much as 60%.

Under the hood of the BMW 1 Series, the short unit is pushed back as much as possible, it almost completely fits behind the front axle. A beginner is lighter than the previous 1.6-liter turbo engine by 10 kg

Под капотом БМВ 1-й серии короткий агрегат максимально сдвинут назад, он почти полностью уместился за передней осью. Новичок легче прежнего 1, 6-литрового турбомотора на 10 кг
Под капотом БМВ 1-й серии короткий агрегат максимально сдвинут назад, он почти полностью уместился за передней осью. Новичок легче прежнего 1, 6-литрового турбомотора на 10 кг

Under the hood of the BMW 1 Series, the short unit is pushed back as much as possible, it almost completely fits behind the front axle. A beginner is lighter than the previous 1.6-liter turbo engine by 10 kg. Under the hood of the BMW 1 Series, the short unit is pushed back as much as possible, it almost completely fits behind the front axle. A beginner is lighter than the previous 1.6-liter turbo engine by 10 kg.

CARD READING

Another novelty has evolved from a concept into a working model. It is an automatic gearbox with anticipatory gearshifts. Receiving data from the navigation system about upcoming descents, ascents and turns, the transmission control unit includes an optimal step in advance. This provides maximum control over the machine and excellent acceleration after passing a difficult section. In the long term, a radar mounted on the nose of a car will also throw food for thought to electronics. In addition, the behavior of the box depends on the mode selected by the driver. In the green "ecopro" priority will be fuel efficiency, in the driver's "sport" - maximum acceleration.

We also tested the novelty in action. It is a pity that the Bavarians did not select the most suitable carrier. This option will be useful on models with not the most powerful engine or a motor with a narrow operating range. And the herd of 450 “horses” that lives under the hood of the BMW 750i doesn't give a damn about which gear is on. For excellent noise isolation and smoothness, the switching moments were caught by the oscillations of the tachometer needle.

Engineers claim that Eco-Pro saves up to 25% in fuel compared to “comfortable” and “sporty” settings. You can believe this, but with one caveat (it most likely fell out of context): such savings are achieved under certain traffic conditions. If we compare the average costs in different modes, the difference is unlikely to exceed 5%.

SAVINGS ON MATCHES

Navigation was connected to the cause of the struggle to reduce fuel appetite. Along with the usual shortest and fastest routes, she will offer the option with the lowest fuel consumption. In the calculation, the program will take into account the topographic features of the roads

К делу борьбы за снижение топливного аппетита подключили навигацию. Наряду с привычными самым коротким и самым быстрым маршрутами она предложит вариант с наименьшим расходом горючего. При расчете программа учтет топографические особенности дорог
К делу борьбы за снижение топливного аппетита подключили навигацию. Наряду с привычными самым коротким и самым быстрым маршрутами она предложит вариант с наименьшим расходом горючего. При расчете программа учтет топографические особенности дорог

Navigation was connected to the cause of the struggle to reduce fuel appetite. Along with the usual shortest and fastest routes, she will offer the option with the lowest fuel consumption. In the calculation, the program will take into account the topographic features of the roads. Navigation was connected to the cause of the struggle to reduce fuel appetite. Along with the usual shortest and fastest routes, she will offer the option with the lowest fuel consumption. In the calculation, the program will take into account the topographic features of the roads.

Predictions of the navigation system enter the engine control unit. By analyzing the route, it pre-adjusts the operating temperature of the motor. Before entering the city limits, the degree rises for the sake of better efficiency. On the other hand, before leaving the highway, the motor is cooled to provide better acceleration dynamics. An ambiguous decision. After all, the usual system also adapts to the driving conditions - the conversation is about seconds. Is the benefit so substantial and pays for this function? It is a pity that specific figures showing the difference in costs were not made at the presentation.

It is commendable the desire of developers to make the world cleaner, and cars - more economical. The main thing is that the measures taken are truly effective. Or, at least, the technical component aroused keen interest. And then neither good nor advertising. And then is this game worth the candle?

ADDITIONALLY

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Owners of three-cylinder BMWs are not deprived of any technology. Here is the proprietary Valvetronic valve lift control system, direct fuel injection, and turbocharging. The latter on small motors will be exclusively single-stage.

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The energy costs for the movement of an electric car are comparable to the resources aimed at heating passengers. BMW offers infrared elements mounted under the trim panels for the role of heat sources. They are effective, noiseless and eliminate drafts. Finally, there is no need to heat the entire cabin, you can turn on the heating only around the occupied seats. Engineers designate the energy consumption of such a system foggy: several hundred watts. And so far, nothing has been heard about the prospects for mass production. This suggests that the solution is not entirely flawless.

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An integral part of the presentations within the framework of the concept of effective dynamics are individual structural elements that have lost weight thanks to new materials. Among the promising were plastics reinforced with glass and carbon fiber, zinc foam. Weight savings can reach 40% with similar or better strength. You can save kilograms without giving up the usual steel. Thanks to the integrated hinges and reduced thickness of the panels, the updated frame of the “comfortable” BMW 7-series seats (right) dropped 3 kg of weight from the previous twenty.

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