Turbosmart BOV Kompact Shortie Dual Port SRD Tuning Turbosmart BOV Kompact Dual Port 06 13 Mini Cooper R56 Turbosmart BOV Kompact Dual Port 25mm Awesome GTI Volkswagen Audi Turbosmart TS 0223 1293 Kompact EM Plumb Back Valve VR10 06 13 Mini. 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