I finally found the correct application tool to find what shock you need for Nivomat load leveling rear shock absorber replacement. I felt a thread of its own was appropriate. No specific question is being asked. Feel free to add keywords so others may find this thread. It was a nightmare finding this I finally contacted Sachs who sent me the link. https://www.opticatonline.com/search?b=BCLZ&bv=18598®ion=usa&pt=7556