Depending on the year of manufacture, the mounting points may differ.
Front bumper
-open the hood.
-under the hood, remove the trim above the radiator grille.
-under the cover plate, we Unscrew four screws.
-remove the headlights.
-from the bottom side, we Unscrew the screws and pull out the pistons.
-in the wheel arches, we pull out the pistons that attach the undercarriage (the front part).
-behind the slats, we Unscrew the nuts that fasten the corners of the bumper to the fenders.
-remove the connectors from the fog lights.
-with an assistant, we pull the bumper forward.
Rear bumper
-open the trunk lid.
-in the trunk, we remove the panels.
-Unscrew the nuts that attach the bumper to the rear panel and fenders.
-from the bottom side, we Unscrew the screws.
-we're pulling out the pistons in the wheel arches.
-with an assistant, we pull the bumper back (look for the wires).
-disconnect the Parking meter connectors (if present).