Parts such as the Rear Shock Absorber: Washer(10.5x22x1.6), Absorber Assy,rr Shock, Nut, Bolt,rr Shock Absorber(10x51) are included in the Ds80 2000 (y) Usa Canada (e03 E28) Rear Shock Absorber parts fiche.
In this schematic the "Bolt,rr Shock Absorber(10x51)" is used most often.