{"product_id":"ferrea-bmw-s42-m42-m50-s50-m52-m54-double-spring-7-deg-pro-cnc-titanium-retainer-set-of-12","title":"Ferrea BMW S42\/M42\/M50\/S50\/M52\/M54 Double Spring 7 Deg Pro CNC Titanium Retainer - Set of 12","description":"\u003cp\u003e\u003cstrong\u003eSKU:\u003c\/strong\u003e \u003cspan itemprop=\"sku\"\u003eE11025\u003c\/span\u003e\u003c\/p\u003e\n\n\u003ch4\u003e\u003cstrong\u003eFerrea BMW S42\/M42\/M50\/S50\/M52\/M54 Double Spring 7 Deg Pro CNC Titanium Retainer - Set of 12 (1992-2006)\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eFerrea E11025 titanium retainers upgrade valve trains in BMW S42 M42 M50 S50 M52 M54 engines powering E36 E39 E46 Z3 Z4 models from 1992 to 2006. These 7 degree Pro CNC components secure double valve springs at minimal weight for smoother high RPM operation and greater durability. Engine builders select this set of 12 for dependable results in street and track builds.\u003c\/p\u003e\n\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eForged 6AL-4V Titanium:\u003c\/strong\u003e High strength at reduced weight lowers reciprocating mass and supports higher engine speeds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCNC Machined Precision:\u003c\/strong\u003e Exact dimensions ensure drop-in fitment and perfect balance in DOHC setups\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e7 Degree Beadlock Design:\u003c\/strong\u003e Locks springs securely under high lift and pressure for reliable valve control\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuper Clean Microfinish:\u003c\/strong\u003e Reduces friction and wear to extend component life\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePro Series Construction:\u003c\/strong\u003e Built for double spring use in performance BMW engines with 7mm stems\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eProduct Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eBMW DOHC inline-six engines have 24 valves so purchase two sets for complete coverage\u003c\/li\u003e\n\u003cli\u003eInspect valve locks and springs for compatibility prior to assembly\u003c\/li\u003e\n\u003cli\u003ePackaged securely to prevent damage during transit\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eProfessional installation recommended.\u003c\/li\u003e\n\u003cli\u003eRequires 7mm stem diameter and double valve spring configuration\u003c\/li\u003e\n\u003cli\u003eWorks with OEM or Ferrea 7 degree valve locks\u003c\/li\u003e\n\u003c\/ul\u003e\n\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\u003e1992-1999\u003c\/td\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003e318i\u003c\/td\u003e\n\u003ctd\u003eE36\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1992-1999\u003c\/td\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003e318is\u003c\/td\u003e\n\u003ctd\u003eE36\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1992-1995\u003c\/td\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003e325i\u003c\/td\u003e\n\u003ctd\u003eE36\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1992-1995\u003c\/td\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003e325is\u003c\/td\u003e\n\u003ctd\u003eE36\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1995-1999\u003c\/td\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003eM3\u003c\/td\u003e\n\u003ctd\u003eE36 S50\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1996-1999\u003c\/td\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003eM3\u003c\/td\u003e\n\u003ctd\u003eE36 S52\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1996-2000\u003c\/td\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003e328i\u003c\/td\u003e\n\u003ctd\u003eE36\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1996-2000\u003c\/td\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003eZ3\u003c\/td\u003e\n\u003ctd\u003e2.8 M52\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2001-2005\u003c\/td\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003e325i\u003c\/td\u003e\n\u003ctd\u003eE46 M54\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2001-2006\u003c\/td\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003e330i\u003c\/td\u003e\n\u003ctd\u003eE46 M54\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2001-2003\u003c\/td\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003e525i\u003c\/td\u003e\n\u003ctd\u003eE39 M54\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2001-2006\u003c\/td\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003eZ4\u003c\/td\u003e\n\u003ctd\u003e3.0i M54\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch4\u003eWhy Choose Ferrea?\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eProven in professional racing for decades\u003c\/li\u003e\n\u003cli\u003eHigh-grade materials withstand extreme conditions\u003c\/li\u003e\n\u003cli\u003eUSA-made with tight tolerances for consistent results\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e Will this fit my 2003 BMW 330i E46?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Yes it fits all M54 equipped 330i models from 2001 to 2006 along with matching double springs\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What material are these retainers made from?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Aerospace-grade 6AL-4V titanium forged then CNC machined for maximum durability and low weight around 6 grams each\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What is the warranty and install process?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Ferrea offers a limited lifetime warranty against manufacturing defects. Install requires valve spring removal tool and verification of 7 degree locks\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eShipping \u0026amp; Handling\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMethod:\u003c\/strong\u003e UPS Ground or FedEx\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAvailability:\u003c\/strong\u003e In stock - ships same or next business day\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackaging:\u003c\/strong\u003e Protective box 6 x 4 x 2 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.2 lbs\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Ferrea","offers":[{"title":"Default Title","offer_id":43538298798159,"sku":"FERE11025","price":285.44,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/ferrea-bmw-s42m42m50s50m52m54-double-spring-7-deg-pro-cnc-titanium-retainer-set-of-12-ferrea.jpg?v=1769442702","url":"https:\/\/www.blackopsautoworks.com\/products\/ferrea-bmw-s42-m42-m50-s50-m52-m54-double-spring-7-deg-pro-cnc-titanium-retainer-set-of-12","provider":"Black Ops Auto Works","version":"1.0","type":"link"}