Bmw X6 Active Hybrid production comes to an end

Article by Christian Andrei, on September 19, 2011

We have bad news for those who wanted to buy a hybrid version of the Bmw X6: the vehicle will no longer be produced! These words came from Dave Buchko, a spokesman for Bmw North America who confirmed the fact that the X6 Active Hybrid has ended production. And the bad news continue as the German manufacturer has currently no plans to produce a new version of the X6 Hybrid.

Still, Bmw will introduce the 5-Series Hybrid in the United States, which is powered by a six-cylinder gasoline engine and features lithium ion battery packs.

Moreover, Bmw will still offer the 7-Series Active Hybrid, says BimmerFile. For those who don’t know, the Bmw X6 Active Hybrid is powered by a twin-turbo V8 engine delivering 407 hp (300 kW) and features two electric motors developing 67 kW/91 hp and, respectively, 63 kW/86 hp.

Maximum system output is 357 kW/485 hp, peak torque is 780 Newton-metres/575 lb-ft. With these numbers, the car can sprint from 0 to 100 km/h (62 mph in ) 5.6 seconds and has an average fuel consumption of 9.9 litres/100 km (equivalent to 28.5 mpg imp), while the CO2 emission rating is 231 grams/kilometer.

Thanks to BMW's xDrive all-wheel-drive system, the BMW X6 ActiveHybrid exhibits a sporty driving behavior. This electronically controlled system variably distributes drive power from the rear to the rear axle to deliver improved driving dynamics as well as excellent traction. It allows for smooth split of drive power using a transfer case with an electronically controlled multiple-plate clutch, which in turn provides power to the axle.

Under normal conditions, drive power is sent to the front and rear axle in a 40:60 split. BMW xDrive features sensors that continuously gauge wheel slip at both the front and rear, thereby allowing the system to vary the drive power within a fraction of a second.

Meanwhile, the new BMW X6 ActiveHybrid is specified with Electronic Power Steering, which enables variable steering assistance whether the vehicle is using conventional power or is in all-electric mode. The new BMW X6 ActiveHybrid is the first Sports Activity Vehicle to offer Electronic Power Steering, which features fully integrated speed-related Servotronic steering assistance. Servotronic could limit assistance during high speeds to ensure directional stability and precise steering behavior during cornering.

When the BMW X6 ActiveHybrid is moving at low speeds when parking, Servotronic will provide additional power assistance to make steering easier. Providing power for the drive unit of the BMW X6 ActiveHybrid is a high-voltage battery pack that employs nickel-metal hydrid technology (NiMH) and has a total capacity of 2.4 kWh -- with 1.4 kWh available nominally – and max output of 57 kW. This battery pack features a control unit that constantly determines the available output level and its charge status.

For its cooling needs, the high-performance battery pack is provided with a liquid system with a heat exchanger that cools battery through airflow from the outside and through a cooling circuit from the air conditioning system. According to the specific requirements, the control unit could be activated on either or both of the circuits, picking the most effective and efficient option, taking into consideration the ambient temperature and the temperature of the battery pack.

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