BUMPER FOR A MOTOR VEHICLE WITH REINFORCEMENT AND METHOD FOR MANUFACTURING THE BUMPER

The invention relates to a bumper () for a motor vehicle, with a cross beam element () exhibiting a back side () designed to be fastened to the motor vehicle with at least one fastening device (), preferably in the form of a crash box, and a front side () lying opposite the back side (), wherein the cross beam element () has at least one hollow chamber () with a closed cross section, and with a reinforcing element (), which extends over part of the length of the cross beam element () and is joined with the cross beam element (). The invention provides that the cross beam element () be designed together with the reinforcing element () as a single-piece extruded part.