Front bumper

-the center of the bumper in the lower part, Unscrew the bolt (at the notched screwdriver) 

-the edges of the front part of the bumper, remove grille (if present) and Unscrew the two bolts from the cap of hex (usually 6 mm), they are curved from bottom to top.

-pulls off the edge of the bumper with side locks (the edge of the bumper and pull down on themselves) 

-you can now unplug the connectors from the fog lamps and the direction indicators (if any)

-if you have headlight washers, disconnect the hoses from the injectors and close them with stoppers that from the reservoir was leaking fluid 

-remove the bumper.

mounting points for the front bumper AUDI 80 B4

front bumper mounting scheme AUDI 80 B4

Rear bumper

-remove the plastic cover of the rear part of the trunk (where the lock is)

under the casing Unscrew the four nuts (approximately at the level of the edges of the trunk lid), you will need head, ratchet and extension

-Unscrew the screws connecting the bumper with the wheel arches

- pulls off the edge of the bumper with side locks (the edge of the bumper and pull down on themselves)

-remove the bumper

mounting points for the rear bumper AUDI 80 B4