The component with the lowest price in the HEADLAMP (GSF600ST/SV/SW E24) schematic is the Screw.
The four Gsf600u 1999 (x) Germany (e22) Headlamp (gsf600st/sv/sw E24) component parts are all listed in this schematic.
Parts such as the Headlamp (gsf600st/sv/sw E24): Screw, Headlamp Assy, Cover,socket, Bulb(12v60/55w,h4) are included in the Gsf600u 1999 (x) Germany (e22) Headlamp (gsf600st/sv/sw E24) parts fiche.