Depending on the year of release of the attachment can vary.
Front bumper
-open the hood.
-under the hood take out six rivets and remove the radiator grille.
-under the grille, Unscrew the four screws that secure the upper part of the bumper.
-wrenched the wheel to the side.
-wheel arches take out two pistons on each side that attach the fender liner.
-for wheel arch liners Unscrew one screw on each side holding the bumper corners to the wings.
-Unscrew the two screws (spun up) that secure the lower part.
-with the assistant pulls the bumper forward (don't want to break the wires).
-snap together the connectors of the equipment (if any).
Rear bumper
-open the trunk lid.
-in the opening of the trunk Unscrew two screws and take out the four clips.
-wheel arches take out the rivets that secure the lining of the wings (moldings).
-is released from the latch (pull to yourself) and remove the lining of the wings (moldings).
-wheel arches take out the rivets that attach the fender liner and mud flaps.
-take out the rivets that attach the lower part.
-peel the corners of the clips and with the assistant pulls the back bumper (don't want to break the wires).
-snap together the connectors of the sensors (if any).