The ActiveHybrid 5 is (officially now) the newest concept from BMW's Efficient Dynamics division, and ED has shaken things up a bit in the power train department. Instead of going with a V8-based mild hybrid setup a la the 7-Series and X6 hybrids, BMW decided to try the system out with their award-winning TwinPower Turbo'd 6-cylinder with Start/Stop tech running the show.
The system is fairly straightforward: up front is the engine, followed by the electric motor which is connected via an automatic clutch, and the 8-speed automatic transmission is the caboose. BMW placed the battery pack somewhere around the rear axle in order to improve weight distribution.
The battery pack, which provides 40kW or 54HP of power, gets recharged by an advanced Regenerative Brake system that works in conjunction with the electric motor. That same battery pack also "delivers electric power to the car's on-board network".
