Depending on the year of manufacture, the mounting locations may vary slightly.
Front bumper
-open the hood.
-under the hood we take out five pistons (inserted from top to bottom) that secure the upper part of the bumper (radiator grille).
-from the bottom we take out the pistons and unscrew the screws that secure the lower part.
-turn the wheels to the side.
-in the wheel arches we release the fender liners (front part).
-move the fender liners to the side and unscrew one screw on each side (twisted from bottom to top) that secure the corners to the wings.
-release the latches in the wings (pull the corners toward you).
-release the latches under the headlights (pull towards yourself).
-with an assistant, carefully pull the bumper forward (make sure not to break the wires).
-disconnect the electrical connectors.
Rear bumper
-open the trunk lid.
-remove the rear and release the side trim of the trunk.
-behind the skins, unscrew the nuts and remove the rear lights (they are held on by clips in the wings).
-under the rear lights, pull out one piston and unscrew one screw on each side that secures the upper part of the rear bumper.
-from the bottom, unscrew the screws and take out the pistons (twisted and inserted from the bottom up) that secure the lower part.
-in the wheeled ones, release the fender liners (rear part).
-behind the fender liners, unscrew one screw on each side (twisted from bottom to top) that connects the corners of the bumper to the wings.
-release the latches in the wings (pull the corners toward you).
-with an assistant, pull the bumper back (watch the wires).
-disconnect the connectors of the electrical equipment (if any).
Nissan Versa I (2006-2012) bumper removal.