The BMW ActiveHybrid3 is the hybrid version of the 3 Series body with four doors. t has a gasoline engine and an electric motor. The gasoline engine has six cylinders in line and three-liter engine is the same as used in the BMW 335i. Maximum power is 306 hp. The synchronous electric motor is rated at 55 hp. The combined maximum power is 340 hp. Traction is back and gearbox 8-speed automatic.
The electric motor is powered by the energy stored in a lithium-ion battery located under the boot floor. The latter volume is 90 liters less than the other 3 Series saloon, leaving a total volume of 390 liters. The backs of the rear seats fold down-optional-in 40:20:40 ratio. The hybrid system is a mass increase of 135 kg with respect to 335i.
The electric motor is powered by the energy stored in a lithium-ion battery located under the boot floor. The latter volume is 90 liters less than the other 3 Series saloon, leaving a total volume of 390 liters. The backs of the rear seats fold down-optional-in 40:20:40 ratio. The hybrid system is a mass increase of 135 kg with respect to 335i.