Originally Posted by m3h
2011 (March 2010) - E92 LCI (LED tail lights), competition (ZCP) package
2011.5 (Sept 2010) - combox for CIC iDrive with standard bluetooth (6FL), mineral white, manuals seat option, two tone seats, standard mdrive (incl. MDM)
2011.75 (March 2011) - BMW apps (6NR), auto start/stop
Build date for the more expensive base priced E90 above is May 2011 so it's a 2011.75.
I'll have to dig out my July 2011 sticker and see what the base price was. I never pay attention to anything except invoice when I'm haggling.