The first F30 3 Series facelift prototype has been spotted. Rumor start of production in 2015. There are minor design changes including a restyled front bumper, deeper inset headlights and shapelier kidney grilles featuring 11 slats. Under the hood, there will be significant changes. It will be powered by the new B58 engine while. The 320i will get a new B48 engine.
Source: Bimmerpost