I understood that the simpler iDrive controller was only going on the F30 and not the X3. I do agree with you in that it looks cheap... They use a coarser plastic for the buttons and the knob has a bit less weight to it as well.
F25 X3 N20:
2010 B8 A4 2.0T quattro (current)/
2013 F25 X3 x28 N20 (babymobile)