BMW has announced that its Smart Charging App for the electric 2015 BMW i3 and i8 will debut sometime in 2015.

The app could save U.S. consumers up to $400 annually on their electric bills, according to a press release issued by the automaker.

"By automating the at-home charging planning process with the BMW Smart Charging App, we are offering BMW i customers greater convenience and helping them conserve energy while maximizing their cost savings," said Jose Guerrero, BMW i's North American product manager, according to the release.

BMW is the first automaker to offer this automated and integrated functionality.

The automaker said the app will help its customers find the best rates and times for charging their electric vehicles while at home.

By linking the BMW ConnectedDrive interface through the BMW i Remote App, users will be able to precondition their vehicles' temperature, view actual charging times and related costs, adjust and disable their charging settings remotely and see their vehicle status.

"BMW is dedicated to improving the at-home charging experience for customers so they can best optimize their electric vehicles for daily use. The BMW Smart Charging App provides BMW i3 drivers with an easy-to-use app that is integrated with the vehicle," said Julian Lienich, Project Lead, BMW Group, according to the release.

The app will be available for download for iOS and Android devices next year.

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