US models arrived in US BMW Centers by the end of 2010 as 2011 model year vehicles. Early US models included xDrive28i, xDrive35i. In 2013 model year (produced in April 2012 and delivered in May 2012), a turbo four cylinder xDrive28i was introduced as replacement for the inline six xDrive28i, with new features such as standard Auto Start/Stop, Driving Dynamics Control with ECO PRO, New Driver Assistance Package (includes Lane Departure Warning). All US market vehicles come with an 8-speed automatic transmission.