The N20 motor powers the 2012 528i.
The N20 motor is confirmed for the US F30 3 series. You can order an N20 powered 328i's now. They are supposed to show up in March 2012.
I have no idea when or if an N20 powered 1 series might be sold in the US.
Last edited by Andrew*Debbie; 12-14-2011 at 03:49 AM.