Radium Engineering's BMW M54 fuel rail plumbing kit allows connection of a Radium fuel rail to the factory fuel line system in E46 BMW engine bays. It includes plugs and fittings for the fuel rail and is compatible only with Radium fuel rails designed for the M54 engine, providing the required plumbing components for that specific Radium rail and engine combination.
Radium Engineering BMW M54 Fuel Rail Plumbing Kit