The Circlip (604) is the cheapest item from this partsfiche.
Some items from this specific schematic: Washer, Plate 8077743700, Washer, Plate (3l7), Pin (813), Tube, Flexible Vinyl(4mj).
The Br250tw 1996 Fuel Tank 2 consists of twenty-eight pieces with the Tank, Fuel being the most expensive.