The component with the lowest price in the THROTTLE BODY (VL800BL4 E28) schematic is the Screw.
This THROTTLE BODY (VL800BL4 E28) assembly utilises four Screw,throttle Cover(s) - the highest specified component.
Some items from this specific schematic: Tube,rubber, Holder,sensor, Spring, Plate,isc Valve.