CROSS BEAM ASSEMBLY WITH PERFORATED ZONES

The present invention relates to a bumper arrangement which is coupled to a motor vehicle via crash boxes (3), comprising a main cross member (2) which is formed by a hollow profile in cross-section and is made of a light metal alloy, characterized in that on an upper flange (5) and/or a lower flange (19) in the longitudinal direction of the main cross member (2) on both sides, parallel to one another and spaced apart, a weakened region (6) is respectively formed, wherein the weakened region (6) is formed by a hole pattern (7) and the respective width (8) of the weakened region (6) is between 20 mm and 150 mm, wherein the width (8) of the weakened region (6) is greater than or equal to the depth (9) of the main cross member (2) in this region.