Parts such as the Cylinder/cylinder Head: Bolt,flange,6x95, Spark Plug W20fr-, Gasket,cylinder (nas), Bolt,stud 6x28 are included in the Sfx50 1999 (x) Germany Cylinder/cylinder Head parts fiche.
The component with the lowest price in the CYLINDER/CYLINDER HEAD schematic is the Bolt,stud 6x28.
Check out any of the twelve Cylinder/cylinder Head components enlisted.