Depending on driving style, ECO PRO mode can help reduce fuel consumption by up to 20 percent, according to an internal BMW fuel consumption study. And the route-ahead assistant makes it possible to save a further five percent.
The coasting function (only available in conjunction with eight-speed Steptronic transmission) decouples the drive train from the engine and the vehicle rolls (or "coasts") without any propulsion when the driver takes the foot from the gas at speeds of between 50 and 160 km/h, does not apply the brakes, and the route-ahead assistant does not adjust the speed.
Based on data from the navigation system, the route-ahead assistant (only available in conjunction with Professional Navigation System) recognises curves, built-up areas, speed limits and motorway exits, and gives the driver tips in advance about when to stop accelerating.
ECO PRO route (only available in conjunction with Professional Navigation System or Business Navigation System) calculates the most efficient route based on the traffic situation, driving style and road conditions. The on-board computer displays the percentage of fuel that can be saved by driving along the route selected by ECO PRO route.