Depending on the year of release of the attachment can vary.
Front bumper
-wrenched the wheel depending on which side we understand.
-wheel arches Unscrew three screws on each side holding the fender liner.
-the fender liner, Unscrew the screws (spun upwards) holding the corners of the bumper to the wings and weaken the clamps.
-Unscrew the screws (spun up) that secure the lower part.
-under the hood, Unscrew the screws and take out the caps that secure the top bumper.
-with the assistant pulls the bumper forward (don't want to break the wires).
-snap together the connectors of electrical equipment.
Rear bumper
-under the car and take out the four clips that secure the lower part.
-wheel arches Unscrew three screws on each side holding the fender liner.
-for wheel arch liners Unscrew one screw and relax on the two catches on each side.
-open the trunk lid.
-in the opening of the trunk, Unscrew the five screws.
-with the assistant pulls the back bumper (don't want to break the wires).
-snap together the connectors of the sensors (if any).