{"product_id":"supertech-bmw-m54-16-dual-valve-spring-kit","title":"Supertech BMW M54 16 Dual Valve Spring Kit","description":"\u003cdiv\u003e\n\u003cstrong\u003eSKU:\u003c\/strong\u003e \u003cspan itemprop=\"sku\"\u003eSPRK-H1000D-BM-16-ST\u003c\/span\u003e   |   \u003cstrong\u003eUPC:\u003c\/strong\u003e 1037721243997\u003c\/div\u003e\n\u003ch4\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/h4\u003e\n\u003ch4\u003e\u003cstrong\u003eSupertech BMW M54 16pc Dual Valve Spring \u0026amp; Titanium Retainer Kit\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eThe \u003cstrong\u003eSupertech SPRK-H1000D-BM-16-ST\u003c\/strong\u003e Dual Valve Spring Kit is the best high-performance valvetrain upgrade for BMW M54 engine owners seeking maximum reliability at high RPM, aggressive cam profiles, or boosted applications. Engineered with premium dual valve springs and lightweight titanium retainers, this complete 16-piece kit delivers superior strength, precise valve control, and reduced valve float – ideal for naturally aspirated, supercharged, or turbocharged M54 builds in E46, E39, Z3, Z4, and other compatible platforms.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual Valve Springs:\u003c\/strong\u003e High-tensile dual spring design for maximum durability, consistent pressure, and high-RPM stability\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTitanium Retainers:\u003c\/strong\u003e Lightweight, high-strength titanium reduces valvetrain mass for improved dynamics and reduced wear\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptimized Spring Rates:\u003c\/strong\u003e Engineered to handle aggressive cams and boost without coil bind or loss of control\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComplete 16-Piece Kit:\u003c\/strong\u003e Includes 16 dual springs, 16 titanium retainers, and necessary hardware for full head installation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect Fit:\u003c\/strong\u003e Designed specifically for BMW M54 engines – drop-in replacement with stock keepers and seals\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMade in USA:\u003c\/strong\u003e Supertech precision manufacturing – trusted in motorsport and high-performance BMW builds\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eSpecifications\u003c\/h4\u003e\n\u003ctable border=\"1\" cellpadding=\"8\" cellspacing=\"0\" width=\"100%\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003eSPRK-H1000D-BM-16-ST\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpring Type\u003c\/td\u003e\n\u003ctd\u003eDual Valve Spring\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRetainer Material\u003c\/td\u003e\n\u003ctd\u003eTitanium\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEngine\u003c\/td\u003e\n\u003ctd\u003eBMW M54 (3.0L Inline-6)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatibility\u003c\/td\u003e\n\u003ctd\u003e1999-2006 BMW M54 Engines (E46 330i\/Ci, E39 530i, Z3\/Z4 3.0, etc.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInstallation\u003c\/td\u003e\n\u003ctd\u003eDirect Drop-In (Requires Valve Spring Tool)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCountry of Origin\u003c\/td\u003e\n\u003ctd\u003eUnited States\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003eLimited (Manufacturer)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping Weight\u003c\/td\u003e\n\u003ctd\u003e3 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping Dimensions\u003c\/td\u003e\n\u003ctd\u003e9.3 x 6.3 x 2.4 inches\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003eWhat's Included in the Kit (SPRK-H1000D-BM-16-ST)\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e16 x Dual Valve Springs High-performance dual springs for maximum RPM and boost capability\u003c\/li\u003e\n\u003cli\u003e16 x Titanium Retainers Lightweight, precision-machined for reduced valvetrain mass\u003c\/li\u003e\n\u003cli\u003e16 x Valve Locks Matched high-quality locks for secure retainer installation\u003c\/li\u003e\n\u003cli\u003eSeat Locators \/ Locators (as applicable) Ensures proper spring alignment and seating\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eProduct Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eComplete 16-piece kit dual springs with titanium retainers for high-RPM and boosted M54 reliability\u003c\/li\u003e\n\u003cli\u003eRecommended for aftermarket cams, forced induction, or stock valvetrain upgrades\u003c\/li\u003e\n\u003cli\u003eDoes not include valve stem seals reuse stock or upgrade separately for high-performance applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eEstimated time: 4-8 hours, advanced difficulty, professional installation strongly recommended\u003c\/li\u003e\n\u003cli\u003eRequires valve spring compressor tool, cam removal, and precise installation – torque to BMW specs\u003c\/li\u003e\n\u003cli\u003eFull valvetrain inspection, timing check, and break-in procedure advised during install\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eThis Part Fits\u003c\/h4\u003e\n\u003ctable border=\"1\" cellpadding=\"8\" cellspacing=\"0\"\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\u003eNotes\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e1999-2006\u003c\/td\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003e3 Series \/ 5 Series \/ Z3 \/ Z4\u003c\/td\u003e\n\u003ctd\u003eM54 Engines (330i\/Ci, 530i, Z3 3.0, Z4 3.0, etc.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003eWhy Choose Supertech M54 Dual Valve Spring Kit?\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eDual springs and titanium retainers provide excellent high-RPM stability and boost capability\u003c\/li\u003e\n\u003cli\u003eReduces valvetrain mass and improves response in high-performance M54 builds\u003c\/li\u003e\n\u003cli\u003eMade in USA with motorsport-proven quality trusted upgrade for E46 M54 and boosted applications\u003c\/li\u003e\n\u003c\/ul\u003e\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 kit fit my 2004 E46 330i M54? \u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, Supertech SPRK-H1000D-BM-16-ST is designed for all BMW M54 engines (1999-2006).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e Does it include valve stem seals? \u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e No, kit includes springs, retainers, and locks; reuse stock seals or upgrade for high-boost.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e Is professional installation required? \u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, requires engine disassembly and precise valvetrain setup; professional recommended.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What RPM range is this kit good for? \u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Supports high-RPM builds (8000+ RPM) and aggressive cams in naturally aspirated or boosted M54 applications.\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 UPS\/FedEx Ground\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 Secure retail box\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 3 lbs\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Supertech","offers":[{"title":"Default Title","offer_id":44470078111823,"sku":"SPTSPRK-H1000D-BM-16-ST","price":557.51,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/supertech-sprk-h1000d-spring-kit.jpg?v=1770824086","url":"https:\/\/www.blackopsautoworks.com\/products\/supertech-bmw-m54-16-dual-valve-spring-kit","provider":"Black Ops Auto Works","version":"1.0","type":"link"}