Mazdaspeed Turbosmart Kompact Dual Port BOV Damond Motorsports Turbosmart BOV Kompact Dual Port Universal Turbosmart BOV Kompact Dual Port ATS V Kit ZZPerformance Turbosmart BOV Kompact Dual Port 25mm Awesome GTI Volkswagen Audi Turbosmart Kompact Dual Port Blow Off Valve BOV Nissan and Subaru TURBOSMART Kompact EM Series BOV Recirculating Dual Port. Dual Port vents both to the atmosphere & back into the air intake. Ports with sequential timing allow quieter operation during normal driving, while getting all the benefits of a vent to atmosphere BOV under race conditions. This Part Fits: Year Make Model Submodel 2009 2013 Mini Cooper John Cooper Works 2007 2013 Mini Cooper S