After launching the new Facelift, looks like BMW preparing a completely new version for the most successful model. For the moment there are no official images, but exist some computer renders showing the new BMW 3 series, witch most likely will enter in production somewhere in 2012. Talking about the engines, BMW has already announced that work on 1.3-liter and 1.8-liter Turbo Engines with 163 to 321HP.
2012 New BMW 3-Series unveiled
2012 BMW 3 Series official launch: today – 14 Oct – 2011 at 2.30 PM GMT+1 technical details; 5.30 PM GMT+1 official photos on inautonews