When I removed the bumper I was a bit disappointed. The car is relatively new and the metal bumper under the fascia had already started to rust:

Another view:

Repainting the bumper would have been a bit pointless, since the rust was being caused by rubbing between the metal bumper and the fascia, so we put some heavy duty duct tape on it instead, after touching up the rust.

This is what caused the rust:

Anyway, once the bumper is removed you'll have to cut out the following pseudo grilles:

Here is how the fog light would fit on it, showing how much we have to cut out. Please note that if you do not cut enough you'll get rubbing between the bumper and the fog lights since the fog lights will be mounted to the frame and not the fascia.

And the hole cut out with a dremel: