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Quanto ti piace la BMW X6 2020?  

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  1. 1. Quanto ti piace la BMW X6 2020?

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  • 6 mesi fa...

Nuova motorizzazione 40d xDrive per la X6 dotata del classico 3.0 L6 Diesel accoppiato ad un sistema mild hydrid 48 V.
 

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Straight six-cylinder diesel engine with multi-stage turbocharging and optimised direct fuel injection. 
The BMW TwinPower Turbo Technology featured by the new 3-litre straight six-cylinder power plant comprises a two-stage turbocharging system and Common Rail piezo direct fuel injection. The spontaneous response characteristics of the supercharging system are enhanced by variable turbo geometry for the high and low pressure stages. With up to 10 injections per cycle, the injectors feed fuel to the combustion chamber at a pressure of up to 2,700 bar. The new pressure sensor integrated into the injector ensures exceptionally precise dosing as well as favourable fuel economy and clean combustion.

The new diesel engine develops a maximum torque of 700 Nm becoming available between 1,750 and 2,250 rpm. The engine achieves a maximum power output of 250 kW/340 hp at 4,400 rpm. Whether on the road or on off-road terrain, power is transferred in the new BMW X6 xDrive40d via an 8-speed Steptronic transmission and intelligent BMW xDrive four-wheel technology, which – thanks to a rear-wheel accentuated set-up – enhances agility during dynamic cornering.  

Two-stage NOX exhaust gas treatment, which was introduced as a standard feature on diesel models in 2012, has been further developed. This component, which is close to the engine, now comprises an oxidation catalyst converter and an SCR coating on the particulate filter. For optimum reduction of nitrogen oxide emissions a second dosage unit has been integrated at the outlet of the SCR system. Therefore, the new BMW X6 xDrive40d now already comply with the mandatory regulations of the Euro 6d emission standard, which will not take effect until the beginning of 2021.

Mild hybrid technology: Additional electric output of 8 kW/11 hp increases sprinting power whilst reducing consumption. 
The new diesel engine is assisted by the 48-volt starter generator of the mild hybrid system. The additional electric output of 8 kW/11 hp promotes both spontaneous power delivery and effectiveness of the drive system. Electric boost enhances dynamics when starting and accelerating. Therefore, the new BMW X6 xDrive40d is able to sprint from 0 to 100km/h in just 5.5 seconds. Thanks to the additional electric output, 
the combustion engine is able at constant speeds to run particularly frequently within an efficiency-optimised load range, thus reducing consumption peaks.

The starter generator obtains the necessary energy from the 48-volt battery, which also supplies all electric driving functions with power via the 12-volt vehicle electrical system. It is charged by means of recuperation during acceleration and braking phases and also through a targeted combustion engine load point increase. Ride comfort also benefits significantly from the mild hybrid technology featured in the new BMW X6 xDrive40d. The supportive effect of the 48-volt starter generator facilitates extremely fast and comfortable load change responses. Moreover, the powerful generator provides for spontaneous and low-vibration starting and re-starting of the combustion engine when using the Auto Start Stop and “sailing” functions. As a result, it is also possible to not only disconnect the engine during the sailing phases, but also to switch it off entirely. In order to make use of the economising effect as frequently as possible, the comfort-optimised sailing function is now no longer only available in the ECO-PRO mode, but also in the COMFORT mode of the Driving Experience Control feature.

 

via BMW

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  • Cole_90 ha modificato il titolo in BMW X6 e X6 M 2020
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