1) Pull back fenderliner in both front wheelwells, there is a screw that attaches the bumper to the bottom of the fender. (remove screw on both sides)
2) Look along the bottom of the bumper, the should be 3 plastic "screw clips" unscrew them.
3) Pop hood.
4) Remove 10mm bolts on each side of the hood latch and both screws above bumper vents.
5) Unscrew "gold colored" 12mm nut that is below each headlight.
6) Remove bumper lights
7) Unbolt 12mm bolts located behind both bumper lights. (Two on each side)
8) Carefully pull bumper off.

That should be it. What kind of headlights are you putting on?