{"product_id":"alta-07-12-mini-cooper-s-jcw-09-12-convertible-09-12-clubman-s-jcw-bpv-spring-upgrade","title":"ALTA 07-12 Mini Cooper S\/JCW \u0026 09-12 Convertible \/ 09-12 Clubman S\/JCW BPV Spring Upgrade","description":"\u003cdiv\u003e\n\u003cstrong\u003eSKU:\u003c\/strong\u003e \u003cspan itemprop=\"sku\"\u003eAMP-TAC-100\u003c\/span\u003e   |   \u003cstrong\u003eUPC:\u003c\/strong\u003e 826825361100\u003c\/div\u003e\n\u003cdiv\u003e\u003c\/div\u003e\n\u003ch4\u003e\u003cstrong\u003eALTA 2007–2012 Mini Cooper S\/JCW \u0026amp; 2009–2012 Convertible \/ 2009–2012 Clubman S\/JCW BPV Spring Upgrade\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eThe ALTA BPV Spring Upgrade is a cost-effective performance enhancement for turbocharged R56 MINI Cooper models, providing a stiffer spring to hold boost between shifts, reduce turbo lag, and improve overall response without the need for a full blow-off valve replacement. Crafted from custom heat-treated 17-7 stainless steel, this upgrade is rated for over 7 million cycles and tested to handle up to 40 PSI, ensuring reliable venting and electromechanical solenoid compatibility. This simple drop-in solution delivers dyno-proven gains in acceleration and throttle feel, making it essential for enthusiasts tuning their supercharged or turbo setups.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeat-Treated 17-7 Stainless Steel:\u003c\/strong\u003e Custom-engineered for superior strength and corrosion resistance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e7 Million Cycle Rating:\u003c\/strong\u003e Ensures long-term durability under extreme boost conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBoost-Holding Design:\u003c\/strong\u003e Maintains pressure between shifts to minimize turbo lag.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e40 PSI Capacity:\u003c\/strong\u003e Tested for high-boost applications while allowing proper BOV function.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect OEM Replacement:\u003c\/strong\u003e Fits factory BPV housing with no modifications required.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e5-Year Limited Warranty:\u003c\/strong\u003e Covers defects for peace of mind.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eProduct Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eOff-road use only in California not CARB certified for highway vehicles.\u003c\/li\u003e\n\u003cli\u003eIncludes: (1) ALTA BPV spring, detailed installation instructions, and ALTA stickers.\u003c\/li\u003e\n\u003cli\u003eCompatible with stock electronic BOV ideal for tuned engines up to 40 PSI.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCalifornia Proposition 65:\u003c\/strong\u003e Warning for potential cancer and reproductive harm.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eSimple 30-minute install using basic hand tools no special equipment needed.\u003c\/li\u003e\n\u003cli\u003eProfessional installation recommended for those new to turbo system work.\u003c\/li\u003e\n\u003cli\u003eRemove electronic BOV, swap factory spring, reassemble, and test for leaks.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eThis Part Fits\u003c\/h4\u003e\n\u003ctable border=\"1\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eYear\u003c\/th\u003e\n\u003cth\u003eMake\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eSubmodel\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e2007–2012\u003c\/td\u003e\n\u003ctd\u003eMini\u003c\/td\u003e\n\u003ctd\u003eCooper\u003c\/td\u003e\n\u003ctd\u003eS (R56)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2009–2012\u003c\/td\u003e\n\u003ctd\u003eMini\u003c\/td\u003e\n\u003ctd\u003eCooper\u003c\/td\u003e\n\u003ctd\u003eJohn Cooper Works (R56)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2009–2012\u003c\/td\u003e\n\u003ctd\u003eMini\u003c\/td\u003e\n\u003ctd\u003eCooper Convertible\u003c\/td\u003e\n\u003ctd\u003eS (R57)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2009–2012\u003c\/td\u003e\n\u003ctd\u003eMini\u003c\/td\u003e\n\u003ctd\u003eCooper Convertible\u003c\/td\u003e\n\u003ctd\u003eJohn Cooper Works (R57)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2009–2012\u003c\/td\u003e\n\u003ctd\u003eMini\u003c\/td\u003e\n\u003ctd\u003eCooper Clubman\u003c\/td\u003e\n\u003ctd\u003eS (R55)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2009–2012\u003c\/td\u003e\n\u003ctd\u003eMini\u003c\/td\u003e\n\u003ctd\u003eCooper Clubman\u003c\/td\u003e\n\u003ctd\u003eJohn Cooper Works (R55)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003eWhy Choose ALTA?\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eOver 20 years of specialized engineering for MINI performance components.\u003c\/li\u003e\n\u003cli\u003eAffordable upgrades that deliver real power and response improvements.\u003c\/li\u003e\n\u003cli\u003eRigorously tested for reliability in high-boost and racing environments.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFrequently Asked Questions\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e Will this spring affect the stock BOV's electronic operation?\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eA:\u003c\/strong\u003e No, it's calibrated to work seamlessly with the OEM solenoid for proper venting.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What boost levels does it support?\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eA:\u003c\/strong\u003e Rated for up to 40 PSI, perfect for stock and mildly tuned setups.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e Is this upgrade reversible?\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eA:\u003c\/strong\u003e Yes, simply swap back the factory spring if needed.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eShipping \u0026amp; Handling\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMethod:\u003c\/strong\u003e Ground shipping for secure delivery.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAvailability:\u003c\/strong\u003e Usually ships Same day if in Stock\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackaging:\u003c\/strong\u003e Compact box with protective padding 1.0 lbs.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Alta","offers":[{"title":"Default Title","offer_id":43794625626191,"sku":"ALTAMP-TAC-100","price":20.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/alta_bpv_spring_01.jpg?v=1762981542","url":"https:\/\/www.blackopsautoworks.com\/products\/alta-07-12-mini-cooper-s-jcw-09-12-convertible-09-12-clubman-s-jcw-bpv-spring-upgrade","provider":"Black Ops Auto Works","version":"1.0","type":"link"}