Depending on the year of the attachment points are slightly different.

Below are the procedures to fix the bumpers. Arrows indicate the location of the screws. Bumper removed very easily, and describe here is nothing special. A big problem to remove the screws than to find them.

Front bumper

the attachment of the front bumper Peugeot Boxer (Citroën Jumper, Fiat Ducato) (1994-2006)

the scheme of fastening of the front bumper Peugeot Boxer (Citroën Jumper, Fiat Ducato) (1994-2006)

the scheme of fastening of the front bumper Peugeot Boxer (Citroën Jumper, Fiat Ducato) (1994-2006)

Rear bumper

the attachment of the rear bumper Peugeot Boxer (Citroën Jumper, Fiat Ducato) (1994-2006)

the scheme of fastening of the rear bumper Peugeot Boxer (Citroën Jumper, Fiat Ducato) (1994-2006)