Crank Ccv Case Vent Valve Hoses Kit Compatible for BMW 3 Series 316 318 E46 N42/N46 Engine[description]Description A carburettor carburettor is a device that mixes air and fuel Compatible for internal combustion engines in the proper air fuel ratio Compatible for combustion. A carb consists of an open pipe through which the air passes into the inlet manifold of the engine, it allows air and fuel into the engine through valves, mixing them together in different amounts to suit a wide range of different driving conditions. Application