Depending on the year of manufacture, the attachment points may vary slightly.
Front bumper
-open the hood.
-under the hood, take out nine caps, release them from the latches and remove the trim over the grille.
-under the trim, Unscrew the two screws that secure the top of the bumper.
-at the bottom of the bumper take out the four pistons and Unscrew the six screws (twisted and inserted from the bottom up).
-turn the wheels to the side.
-in the wheel wells take out two pistons on each side that secure the fender liner (front).
-Unscrew one screw on each side that attach the corners of the bumper to the wings.
-we release the latches in the wings and under the headlights (pull the corners of the bumper towards you).
-with an assistant, pull the bumper forward (look for the wires).
-disconnect electrical connectors.
Rear bumper
-open the trunk lid.
-in the opening of the trunk take out the covers.
-under the covers, Unscrew the two screws.
-at the bottom of the bumper take out two pistons.
-in the wheel wells, Unscrew two screws on each side that secure the fender liner (rear).
-unscrew one screw on each side that attach the corners of the bumper to the wings.
-we release the latches in the corners of the bumper and under the rear lights (pull the corners towards you).
-with an assistant, pull the bumper back (look for the wires).
-disconnect electrical connectors (if any).