Depending on the model year and body type (restyling, universal) the attachment is different.
Front bumper
-open the hood.
-under the hood, Unscrew the four screws (spun down).
-around the bottom part Unscrew the screws (spun up).
-depending on which side we will disassemble, wrenched the wheel.
-in the wheel wells, Unscrew the screws and peel the fender liner.
-for wheel arch liners Unscrew one screw on each side holding the bumper corners to the wings.
-we release bumper latches in the wings and with the assistant pulls the bumper forward (don't want to break the wires).
-snap together the connectors of the equipment (if any).
Rear bumper
-open the trunk lid.
-in the opening of the trunk, Unscrew the screws.
-Unscrew the screws that attach the lower part (in the sedan in the opening between the bumper and the body, the MCV around the bottom of the skirt).
-in the wheel wells, Unscrew the screws and peel the fender liner (rear part).
-move the wing flaps to the side and Unscrew one screw on each side holding the bumper corners to the wings.
-we release the latch in the wings (pull the corners themselves).
-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 (Dacia) Logan 2 (after 2012)