BMW EFFICIENT DYNAMICS.

BMW EFFICIENT DYNAMICS.

BMW Efficient Dynamics.

AN UNBROKEN PASSION FOR EFFICIENCY AND DYNAMICS.

FOR MORE THAN 100 YEARS.

BMW has followed the development strategy of making engines and vehicles not only economical, but also dynamic, for more than 100 years. Efficiency and dynamics have always been the focus and are characterised by three important core elements: intelligent lightweight construction, efficient engines and intelligent energy management.

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EFFICIENT DYNAMICS - EFFICIENCY AS STANDARD.

BMW EfficientDynamics stands for the significant reduction in fuel consumption and emissions accompanied by an increase in performance and driving pleasure. Today's standard-feature technology package comprises a wide range of innovations in the field of TwinPower Turbo engines, BMW eDrive, intelligent lightwight construction together with optimised aeroynamics and energy management.

All these measures contribute to reducing the fuel consumption and carbon emissions on one hand and, on the other hand, increase longevity of the engine through quickly reaching operating temperature.

AERODYNAMICS

LESS AIR RESISTANCE. THE AIR DAMPER CONTROL.

The movable slats behind the BMW kidney grille can be closed, if necessary, to improve aerodynamics and bring the engine up to operating temperature more quickly. While driving, the air resistance of the radiator flow is at its highest, thus the fuel consumption is increased. The use of a variable air flap control allows the air resistance to be reduced by up to 10%, cutting down on fuel consumption. For this purpose, sensors measure the cooling requirements of the engine from all relevant data and decide to whether open or close the dampers behind the BMW kidney grille. The air flaps are then closed for normal driving as the engine requires a smaller cooling capacity. In addition to improved aerodynamic values, the engine reaches its operating temperature quicker, as no cold air can flow into the engine compartment. Therefore, both fuel and carbon emissions can be saved by shorter cold running phases. The air dampers only open when the full amount of cooling air is required, such as in traffic jams, high speeds, ascents or full operation of the air conditioner.

THE AIR CURTAIN REDUCES AIR TURBULENCE.

Around 30% of the air turbulence occurs around the wheels and therefore increases fuel consumption. The solution is as simple as it is ingenious. The BMW-typical air curtains on the right and left front apron let the air flow through an opening while driving. This creates a channelled flow of air which is guided past the tyres by an approximately 10 cm high and 3 cm wide opening. The air jet is further led to hang down laterally beyond the front wheels like a curtain. The artificially generated air curtain reduces the turbulence at the front wheels and consequently the air resistance, resulting a cut in fuel and CO₂ emissions.

VENTILATION SYSTEM. THE AIR BREATHER.

The wheel arches and the wheels generate 30% of the total vehicle air resistance. The two air breathers on the left and right front side walls act as air ducts behind the front wheel. These provide not only lower turbulence in the wheel arches, but also a reduction of unwanted negative pressure on the sidewalls. Two goals are achieved this way: first, a reduction in the vehicle’s air resistance and second, lower fuel consumption and CO₂ emissions, resistance, resulting a cut in fuel and CO₂ emissions.

OPTIMISED FLOW AT THE REAR. THE AEROBLADES.

The aeroblades located directly on the roof spoiler help optimise the aerodynamic properties. The air guide elements (aeroblades) on the vehicle’s D pillar and the roof spoiler visually widen the rear while improving airflow. As a result, the aeroblade acts as a ‘spoiler’ for vehicle air flow. Through this, the disturbing turbulence and braking negative pressures are reduced to a minimum.

ENERGY MANAGEMENT

THE BRAKE ENERGY REGENERATION.

Thanks to the intelligent energy management system, now plenty of energy can be restored when braking. Every time you work the brakes, the vehicle releases kinetic energy. The Brake Energy Regeneration produces electricity from the unused coasting energy that is generated when you take the foot off the accelerator or brake the vehicle. The battery is then charged with the recovered energy and the motor relieved because the alternator does not have to run constantly anymore.

THE ELECTRIC POWER STEERING ASSISTANCE.

Unlike conventional systems, the electric power steering is activated only when necessary. To set it on, a control device calculates the required steering effort based on the combined data from the vehicle speed, the driver-side steering torque, the steering angular velocity and the system temperature. The steering is assisted by an electric motor which gets its energy from the power generated by the combustion engine. With a constant steering wheel position, such as in fast straight-line driving on the motorway, the electric motor is switched off and is no longer active. The electric power steering amounts to significant energy savings of up to 7%, reducing the average fuel consumption of the vehicle by about 0.3 litres/100 km and CO₂ emissions by up to 3.5%.

BMW EFFICIENT LIGHTWEIGHT CONSTRUCTION.

Intelligent lightweight construction at BMW means using the right car materials in the right places. The most suitable material is used for each individual component. The use of different materials such as aluminium, high-strength steel and magnesium combined with proper manufacturing techniques contribute to the massive and targeted reduction in vehicle weight while increasing the overall stability. BMW takes a leading role in the automotive industry with the first largescale manufacture and production of carbon components. The carefully selected materials give the vehicle maximum rigidity and strength, which results in better agility and driving dynamics as well as lower fuel consumption and increased passive safety.

THE 8-SPEED STEPTRONIC TRANSMISSION.

The new 8-speed Steptronic transmission sets new standards in comfort and dynamics and is a key part of the BMW EfficientDynamics measures. The particularly fine grading of the gears enables optimum power delivery at all speeds. This decreases fuel consumption while increasing enjoyment with even more dynamism and sporty feeling.

THE ECO PRO MODE.

The ECO PRO mode can lead to a reduction in fuel consumption of up to 20%. The ECO PRO mode comes as a standard feature of the BMW EfficientDynamics. In order to achieve maximum efficiency in ECO PRO mode, the following parameters are permanently controlled and adapted to the driving situation: accelerator identifier, gear shift program, RPM limiter for each gear.

THE AUTO START STOP FUNCTION.

Save fuel effectively: The Automatic Start/Stop function ensures that fuel is only consumed when the car is moving. When the vehicle comes to a temporary stop, for example at traffic lights or in congested traffic, the Automatic Start/Stop function saves fuel by simply switching off the engine. As soon as the clutch is depressed (manual transmission) or the brake is released (Steptronic transmission), the engine starts up again automatically in a fraction of a second. This translates into up to 7% of fuel saved just at standstills.

THE BMW TWIN POWER TURBO ENGINES.

All BMW engines combine innovative technology with power developments in order to ensure spontaneous response, even at low speeds. The TwinPower Turbo petrol and diesel engines offer full power delivery with low fuel consumption and emissions.

BMW TwinPower Turbo petrol engines.

The technology concept of the BMW TwinPower Turbo petrol engines is applied throughout the model series. Innovative turbocharger technology and Double-Vanos increase performance and ensure spontaneous response even at low speeds. The petrol injection system High Precision Injection and the fully-variable valve control Valvetronic lower the consumption.

This system allows the engine to develop optimum power with less consumption. The Valvetronic also improves the mixture preparation and lowers fuel consumption by up to 10% (BMW internally-determined value based on ECE driving cycle). An additional effect is improved response. Double-Vanos refers to the double variable camshaft control. The system controls the engine performance all across the speed range and enables lower consumption and fewer emissions at any speed. High Precision Injection with its particularly accurate fuel dosage ensures extraordinarily efficient and clean combustion. This derives the maximum amount of energy from every drop of fuel. Innovative turbocharging technology increases the engine's power and puts it on par with much larger engines - and all this with fewer components, reduced inner friction and low weight. And thus with lower consumption and emissions.

BMW TwinPower Turbo diesel engines.

Reflected in the BMW Twin Power Turbo diesel engines is the systematic implementation of the BMW EfficientDynamics principle: combining top values in economy, power yield and running characteristics with low fuel consumption. There is no doubt about their efficiency and dynamics. Yet at the same time, the BMW TwinPower Turbo 3-cylinder diesel engines as ideal entry-level engines, the innovative BMW TwinPower Turbo 4-cylinder diesel engines and the especially powerful BMW TwinPower Turbo inline 6-cylinder diesel engines perform their work with remarkably low emissions and little friction.

Maximum driving fun is therefore guaranteed. The diesel power units with the aluminium lightweight construction of the BMW EfficientDynamics engine family have turbocharging with variable turbine geometry. Fuel injection is the responsibility of the latest-generation CommonRail direct injection.

  • 3-CYLINDER PETROL ENGINES POWERFUL, LIGHT AND FUEL-EFFICIENT

    The new three-cylinder petrol unit stands out for its exceptional efficiency and great performance abilities. The further improved petrol engines are the latest milestone in an evolutionary development process. Powerful, light and fuel-efficient three cylinder drive units that form part of a new generation of engines. They boast a compact design along with BMW TwinPower Turbo technology.

  • 4-CYLINDER PETROL ENGINES THRILLING PERFECTION

    All four-cylinder gasoline engines are part of BMW EfficientDynamics, the innovative technology package that consistently propels the optimisation of the engine. At the centre of this is the BMW TwinPower Turbo technology, which combines a TwinScroll turbocharger with Valvetronic, double-Vanos and High Precision Injection. The high compression ratio and the precise, electronically-controlled injections that target the spark plugs ensure good airflow and highly-efficient fuel combustion, so the engines stay economical even at high speeds.

  • 3-CYLINDER DIESEL ENGINES CUTTING EDGE-POWERPLANT

    Cutting-edge engine technology ensures hallmark brand driving fun, combined with exemplary efficiency. Thanks to BMW TwinPower Turbo Technology, the new generation of three-cylinder engines can achieve agile performance and excellent responsiveness even at low rpms, while at the same time featuring exceptionally low fuel consumption and emissions. The engines combine the newest fuel-injection technologies and completely variable power distribution with innovative turbocharger technology to achieve improved efficiency and dynamics.

     

  • 4-CYLINDER DIESEL ENGINES UNATTAINED EFFICIENT POWER

    The 4-cylinder diesel engines boast rapid power development and spontaneous delivery in low rev ranges. The combination of innovative turbocharging technology with variable turbine geometry, fully-variable performance control and the newest generation of the common rail direct injection system gives the BMW TwinPower Turbo four-cylinder diesel engine massive power and torque figures. With their highly-effective fuel combustion the BMW 4-cylinder diesel engines offer a previously unattained combination of performance and consumption and unparalleled running smoothness over the entire speed range.

  • 6-CYLINDER IN-LINE DIESEL ENGINES SMOOTH AND REFINED

    Every BMW diesel engine guarantees unsurpassed refinement, smooth power delivery, muscular performance and impressive fuel consumption. Today's 3.0-litre BMW straight six-cylinder diesel engines come in turbocharged and with common rail injection. All feature innovative technology, intelligent lightweight construction and state-of-the-art combustion management. BMW diesel engines combine the typical BMW dynamics and sportiness with smooth and refined running, excellent acoustics and offer outstanding performance and efficiency.