Depending on the year of release of the attachment can vary.
Front bumper
-open the hood.
-under the hood, Unscrew the four screws that secure the top.
-from the bottom Unscrew the screws and take out the caps (twisted and inserted from the bottom up) holding the fender liner, protection, and the lower part of the bumper.
-wrenched the wheel to the side.
-wheel arches, peel the fender liner.
-for wheel arch liners Unscrew two screws on each side (spun upwards) holding the corners of the bumper to the wings.
-with the assistant pulls the bumper forward (pay attention to wire).
-remove the connectors from the fog lights.
Rear bumper
-open the trunk lid.
-Unscrew the screws that attach the lower part.
-wheel arches take out the rivets and removed the fender liner.
-the fender liner, Unscrew the fastener corners of the bumper to the wings.
-we release the latch in the wings and opening the trunk.
-with the assistant pulls back (don't want to break the wires).
-snap together the connectors of the equipment (if any).