Reference OEMnumber11617568423, 11611501937Engine CodeW11B16AFitmentCompatible for MINI Cooper S HatchbackR53 1.6L 2002-2006 compatible for MINI Cooper S Convertibles R52 1.6L 2005-2008Package Includes1x Supercharger CutOff ValveNoticeProfessional installation is highly recommended (No Instruction Included) For any needs please contact usApplicationCompatible for MINI Cooper S HatchbackR53 1.6L 2002-2006 compatible for MINI Cooper S Convertibles R52 1.6L 2005-2008SpecificationEngine Code: W11B16A Package Includes: 1x Supercharger CutOff Valve