Depending on the year of release of the attachment can vary.
The schemes of fastening of bumpers. Arrows indicate the location of the screws, caps.
To remove the front bumper, pull the top caps are not necessary, it is removed together with the iron frame. Take out the caps and Unscrew the screws around the perimeter of the bottom. Unscrew the screws that attach the angles to the wings (spun up). In the openings of the fog lamps (if removable) Unscrew the screws fixing the frame to the body.