See also:

Remove unnecessary cargo
Additional weight increases fuel consumption. ...

Tire inflation pressure values over100 mph/160 km/h
X3 28i X3 35i ...

BMW EfficientDynamics: BMW 5-Series increasing the lead.
BMW EfficientDynamics technologies are featured in appropriate combinations on each model, including features such as Brake Energy Regeneration, Electric Power Steering, a gearshift point indicato ...