Depending on the year of release of the attachment can vary.

Front bumper

-open the hood.

-under the hood, Unscrew the four screws that secure the top.

-Unscrew the seven screws around the perimeter of the bottom (spun up).

-wrenched the wheel to the side.

-wheel arches Unscrew the screws that attach the fender liner to the bumper.

-Unscrew one screw on each side (spun upwards) holding the corners of the bumper to the wings.

-we release the latch in the wings (pull the corners themselves).

-with the assistant pulls the bumper forward (don't want to break the wires and hoses).

-snap together the connectors of the fog lights.

-switched the hoses to the headlight washers (if any).

mounting points for the front bumper Alfa Romeo 159

front bumper mounting scheme Alfa Romeo 159

Rear bumper

⇒Tips for removing bumpers and how to avoid breaking anything..⇐

-open the trunk lid.

-from the trunk, Unscrew the fasteners and remove the rear lights.

-under the rear lights Unscrew one screw on each side that secure the upper part.

-Unscrew the perimeter of the bottom of the four screws.

-wheel arches Unscrew  the screws holding the fender liner to the bumper and bumper corners to the wings.

-we release the latch in the wings (pull the corners themselves).

-with the assistant pulls the back bumper (don't want to break the wires).

-breakaway connectors from the light plate and Parktronic.

mounting points for the rear bumper Alfa Romeo 159

rear bumper mounting scheme Alfa Romeo 159