Upper side parts of the front bumper are fake (parts between headlight cluster & air intake).
Expect modified bumpers & air intake to look very similar to this ones:
SPY PHOTOS: BMW 3-Series Facelift
Fog lights will be available as usual in the production vehicles (when ordered).
Engines: yes, E90/1 is getting new I4 & I6 engines with EfficientDynamics features.
Interior will get modifications known from E92/3.
Regarding introduction time: some say Fall 2007, some Spring 2008.
