Depending on the model year and body type of attachment may vary.
Front bumper
-open the hood.
-under the hood, Unscrew the screws and take out the caps (twisted and inserted top to bottom) that secure the cover plate and the upper part of the bumper.
-on the perimeter in the lower part and pull out the caps (inserted from the bottom up).
-wrenched the wheel depending on which side will parse the first.
-wheel arches, peel the fender liner.
-attach the fender liner to the side and Unscrew one screw on each side (spun upwards) holding the corners of the bumper to the wings.
-with the assistant release the latch in the wings, 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 trunk, behind the side panels, Unscrew the nuts and remove the tail lights.
-the rear lights take out the caps and Unscrew the screws.
-on the perimeter in the bottom part Unscrew the screws.
-from under the car Unscrew the two screws on each side that attach the bumper reinforcement to the body.
-wheel arches take out the rivets and removed the fender liner.
-move the wing flaps to the side and Unscrew one screw on each side (spun upwards) holding the corners of the bumper to the wings.
-assistant free the bumper from the clips in the wings and gently pulls back.
-remove the electrical connectors (if any).