Depending on the model year and body type of attachment are different.
Front bumper
-open the hood.
-under the hood take out the caps (Unscrew the screws) that secure the top bumper (the grille).
-Unscrew bolts and nuts and remove the headlight.
-in the openings of the headlight and pull out one piston on each side.
-take out the caps and Unscrew the screws (inserted and screwed in from the bottom up) around the perimeter of the bottom.
-wrenched the wheel depending on which side we understand.
-wheel arches Unscrew the screws that attach the fender liner.
-the fender liner, Unscrew the screws (spun upwards) holding the corners of the bumper to the wings.
-with the assistant gently pulls the bumper forward (don't want to break the wires).
-remove the connectors from the equipment (if any).
Rear bumper
-open the trunk lid.
-in the trunk remove the trim panel.
-Unscrew the screws and nuts behind the trim.
-perimeter of the lower part and pull out the caps (inserted from the bottom up).
-wheel arches Unscrew the screws that attach the fender liner.
-for wheel arch liners Unscrew one screw on each side (spun upwards) holding the corners of the bumper to the wings.
-with the assistant gently pulls the bumper back.
-snap together the connectors of the equipment (if any).