Despite external featuring first and second generation Volvo C30 bumper attached almost the same.
Front bumper
-(if you have one) take out the washer fluid and remove the caps.
-open the hood.
-under the hood, Unscrew the screws and take out the rivets that secure the upper part of the bumper.
-around the bottom part Unscrew the screws and take out the caps (twisted and inserted from the bottom up).
-wrenched the wheel to the side.
-in the wheel wells, Unscrew the screws and peel the fender liner.
-we release the latch in the wings and under the headlights (pull the corners in and forward).
-with the assistant gently pulls the bumper forward (don't want to break the wires).
-remove the connectors from the equipment (if any).
Rear bumper
-open the trunk lid.
-in the corners of the opening of the trunk, Unscrew counter-clockwise stop.
-at the bottom, Unscrew the two screws.
-in the wheel wells, Unscrew the screws and peel the fender liner.
-we release the latch in the wings (pull the corners of the bumper itself) and under the rear lights.
- with the assistant gently pulls the back bumper (don't want to break the wires).
-snap together the connectors of the equipment (if any).