Depending on the year and model of the attachment points are different.
Front bumper
-open the hood.
-under the hood take out the rivets that secure the upper part.
-from the bottom Unscrew the screws holding the wheel arches and protection.
-depending on which side we will disassemble, wrenched the wheel.
-wheel arches Unscrew the screws that attach the fender liner to the bumper.
-move the wing flaps to the side and Unscrew one screw on each side holding the bumper corners to the wings.
-we release the latch in the wings (pull the corners themselves).
-with the assistant pulls the bumper forward (don't want to break the wires).
-snap together the connectors of electrical equipment.
Rear bumper
-open the trunk lid.
-in the opening of the trunk take out the two (four) pistons.
-wheel arches Unscrew the screws that attach the fender liner to the bumper.
-for wheel arch liners Unscrew one screw on each side holding the bumper corners to the wings.
-from the bottom Unscrew the screws that attach the lower part.
-we release the latch in the wings (pull the corners themselves).
-with the assistant pulls the bumper backwards (look for wires).
-snap together the connectors of electrical equipment.