Fast torque.

The benefits of BMW ActiveHybrid.

Electric motors have something that engineers and drivers have long dreamed of: a flat torque curve right from the bottom end of the rev range. In fact, it delivers peak torque from a standstill. Add in the output of an internal combustion engine and you've got a highly impressive set of power and torque curves. The result is that you need less fuel to achieve the same level of performance because, in tandem, the two power units can always operate at maximum efficiency.

In addition, the electric motors act as generators. When the driver comes off the throttle or brakes, the motors convert the kinetic energy into electricity, which then charges the batteries.

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