Innovative functions of the hybrid powertrain in the BMW i8

摘要

BMW introduces the first hybrid vehicle with street coupled drivetrains - a combination of a electric motor with a two-speed automatic transmission on the front axle and a newly developed turbo-charged 3 cylinder gasoline engine with a six-speed automatic transmission on the rear axle. Hybrid specific modifications of the automatic transmission and an overview of the vehicle powertrain network are described, as well as the newly developed functions which contribute to performance and outstanding efficiency supporting the BMW EfficientDynamics strategy.