This Turnsignal Lamp (gs500h E28 diagram displays the required parts for the Gs500f 2007 (k7) Usa (e03) Turnsignal Lamp (gs500h E28.
Some items from this specific schematic: Lamp Assy Rear, Bulb(12v21w), Turnsign Fr Rh, Bulb(12v21w).
On this parts fiche the Lamp Unit is the most specified component.