Depending on the year of manufacture and modification of the attachment points may differ.
Front bumper
-open the hood.
-remove the radiator grille (you need to pull on yourself and release from the locks).
-Unscrew one screw on each side, which attaches the sides of the bumper to the brackets.
-Unscrew the screws that attach the bumper to the amplifier.
-remove the connectors from the fog lights.
-with an assistant, we pull the bumper forward.
Rear bumper
The side of the bumper:
-Unscrew the screws in the wheel arches.
-Unscrew the screws on the bottom side.
-Unscrew the nuts that attach the sides to the wings.
Middle part:
-Unscrew the nuts that attach the bumper booster to the body.
-disconnect the electrical equipment connectors (if any).