2013 BMW ActiveHybrid 7 Gets Updated Full Hybrid Powertrain - Green Car Reports

BMW's first-ever hybrid sedan, the BMW ActiveHybrid 7 launched for 2011, was an odd beast. For 2013, BMW has upgraded the powertrain of its largest hybrid luxury sport sedan, making the electric motor bigger, reducing the size of the engine, and giving it the full-hybrid capability of powering the car solely on electricity under some... In effect, the 2013 BMW ActiveHybrid 7 gets the same package of engine, electric motor, and 8-speed automatic transmission already used in the hybrid 5-Series and the hybrid 3-Series sedans that were unveiled last year. The big V-8 is replaced by a 315-hp 3. 0-liter twin-scroll turbocharged inline six-cylinder engine, with a 40-kilowatt (55-horsepower) electric motor fitted between the engine and an eight-speed automatic transmission that has been adapted for... That's significantly larger than the 15-kW (22-hp) motor fitted to the first generation car, and powerful enough to move the car on electric power alone under light loads. BMW says the second-generation ActiveHybrid 7 can run up to 2. 5 miles on electricity alone, if the driver "goes easy on the accelerator," at speeds up to 37 mph. BMW estimates that 0-to-60-mph acceleration will be about 5. 5 seconds--down on the previous model's 4. 7 seconds, but still quite respectable for such a large, heavy, luxurious sedan. Source: www.greencarreports.com