Depending on the year of release of attachment is different.
Front bumper
-under the hood take out two pistons released from latches (you have to turn with a flat head screwdriver 90°) and remove the grille.
-under the grille and pull out the caps (inserted from top to bottom) that secure the upper part.
-at the bottom, take out the caps and Unscrew the screws (twisted and inserted from the bottom up) that secure the lower part of the bumper.
-wrenched the wheel left or right, depending on which side of the bed will disassemble.
-wheel arches take out the caps, release the fender liner.
-for wheel arch liners Unscrew one screw on each side (spun upwards) holding the bumper to the wings.
-with the assistant release the latch and gently pulls the bumper itself.
-remove the connectors from the fog lights (if any).
-remove connector from the PDC (if any).
Rear bumper
-open the trunk lid.
-in the opening, Unscrew two screws on each side and remove the lining above the rear lights.
-between the rear lights release latch (you need a screwdriver to rotate 90°) and remove the cover.
-under the pickguard Unscrew the screws and remove the tail lights.
-Unscrew the screws in the opening of the trunk that secure the upper part.
-Unscrew the screws around the perimeter at the bottom.
-wheel arches take out the rivets that attach the fender liner and Unscrew the screws, fasten the corners of the bumper to the body.
-with the assistant release the bumper clips and gently pulls on itself.
-remove connectors from electrical equipment.