Despite the external differences in the bumper in the Acura ILX DE3, DE2, DE1, they are mounted almost the same.
Front bumper
-open the hood.
-under the hood take out eight caps (caps of different sizes) and remove the trim over the grille.
-under the trim we take out the caps (two or three, depending on the year of manufacture) that secure the grille.
-take out the caps and Unscrew the screws (twisted and inserted from the bottom up) that secure the lower part of the bumper.
-turn the wheels to the side.
-wheel arches take out two pistons on each side that secure the fender liner.
-for the fender liner, Unscrew one screw on each side (spun up) that secure the corners of the bumper to the wings.
-we release the latches in the wings and under the headlights (pull the corners of the bumper towards you).
-with an assistant, pull the bumper forward (look for the wires).
-disconnect electrical connectors.
Rear bumper
-open the trunk lid.
-in the opening of the trunk take out two plugs.
-under the plugs, Unscrew the two screws.
-take out the five caps (inserted from the bottom up) that secure the bottom of the bumper.
-in the wheel wells, Unscrew the screws that secure the fender liner and bumper corners to the wings.
-we release the latches in the wings and under the rear lights (pull the corners of the bumper towards you).
-with an assistant, pull the bumper back (look for the wires).
-disconnect electrical connectors (if any).