BMW 4-Series I (F32/F33/F36) (2013-2020)
Depending on the year of manufacture and the type of body, the attachment points may slightly differ.
Front bumper
-open the hood.
-under the hood, unscrew the eight screws that secure the top of the bumper.
-from the bottom, take out the caps (unscrew the screws) that secure the bottom of the bumper.
-wheel the wheels to the side.
-in the wheel arches, unscrew three screws on each side that secure the wheel arch liners (front part).
-behind the wheel arch liners, unscrew two screws on each side (twisted from bottom to top) that attach the corners of the bumper to the fenders (you need a knob with an extension cord).
-with an assistant, we pull the bumper forward (look behind the wires and hoses).
-disconnect the fog lamp connectors.
-snap off the headlight washer hoses (if any).
Rear bumper
-open the trunk lid.
-in the opening of the trunk, remove the lining near the rear lights (attached with caps).
-under the overlays, unscrew one screw on each side (twisted from top to bottom).
-remove the taillights (you can leave them alone, but it will be easier this way).
-from the bottom side, unscrew the screws (twisted from bottom to top) that secure the bottom of the bumper.
-in the wheel arches, unscrew the screws that secure the wheel arch liners (rear part).
-in the wheel arches, unscrew one screw on each side (twisted from bottom to top) that secure the corners of the bumper to the fenders.
-release the latches in the wings (pull the corners of the bumper towards you).
-release the clips under the rear lights.
-with an assistant, we pull the bumper back (look behind the wires).
-disconnect the connectors of the electrical equipment (if any).