The sub assemblies and components that make up this 18b Impianto Elettrico Destro [mod:1199 R;xst:cal,cdn] include this Engine Control Unit, the most expensive part.
Some items from this specific schematic: Bracket, Spark Plug Ngk Mar9a-j, Clip Nut, Quick Fastening M5.
The component with the lowest price in the 18B IMPIANTO ELETTRICO DESTRO [MOD:1199 R;XST:CAL,CDN] schematic is the Screw.