Depending on the year the site of attachment differs.
Front bumper
-open the hood.
-under the hood, Unscrew the seven screws that attached the upper part.
-from the bottom Unscrew the screws and take out the caps (twisted and inserted from the bottom up) that secure the bottom of the bumper.
-depending on which side we will disassemble, wrenched the wheel.
-wheel arches take out the caps and removed the wheel arches (the front part).
-for wheel arch liners Unscrew one screw on each side (twisted upside down) holding the corners of the bumper to the wings.
-we release the latch in the wings (ha pull the corners themselves).
-with the assistant pulls the bumper forward (don't want to break the wires and hoses).
-remove the fog lamp connectors (if any).
-switched the hoses to the headlight washers (if any).
Rear bumper
-open the trunk lid.
-in the opening of the trunk, Unscrew the screws and remove the tail lights.
-in the opening of the trunk pulls out four piston
-Unscrew the screws and take out the rivets that attach the lower part.
-wheel arches take out the caps and removed the wheel arches (rear).
-for wheel arch liners Unscrew one screw on each side holding the bumper corners to the wings.
-we release the latch in the wings (pull the corners into themselves, sit tight).
-with the assistant pulls the bumper backwards (look for wires).
-snap together the connectors of electrical equipment.
How to remove front and rear bumper Renault Koleos 2 (after 2016)