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