2012 Update
New models include 520d. All models except 535i includes engine power boost. VALVETRONIC intake CVVT valve management becomes standard on all gasoline engine models.
Additional EfficientDynamics features include BMW EfficientDynamics Display, automatic engine start/stop, ECO PRO driving mode, electromechanical power steering, on-demand operation of ancillary units.
Read more about this topic: BMW Concept 5 Series Gran Turismo