{"product_id":"5150-ferrea-high-performance-valve-spring-kit-m50-m52-s50-s52","title":"BMW M50 M52 S50 S52 Valve Spring Kit by Ferrea","description":"\u003cp class=\"\" data-end=\"261\" data-start=\"178\"\u003e\u003cstrong data-end=\"261\" data-start=\"178\"\u003eFerrea Valve Spring Kit – BMW M50, M52, S50, S52 Engines | 80lb Seat Pressure\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"\" data-end=\"599\" data-start=\"263\"\u003eIncrease valvetrain stability and eliminate performance-robbing valve float with the \u003cstrong data-end=\"392\" data-start=\"348\"\u003eFerrea High-Performance Valve Spring Kit\u003c\/strong\u003e, engineered specifically for BMW M50, M52, S50, and S52 engines. This kit is built to withstand the demands of high-lift camshafts and sustained high-RPM operation—conditions where stock springs fall short.\u003c\/p\u003e\n\u003ch3 class=\"\" data-end=\"640\" data-start=\"601\"\u003eDesigned for High-RPM Performance\u003c\/h3\u003e\n\u003cp class=\"\" data-end=\"947\" data-start=\"641\"\u003eWith a seat pressure of \u003cstrong data-end=\"675\" data-start=\"665\"\u003e80 lbs\u003c\/strong\u003e, this spring kit provides the control needed to keep valves operating precisely at elevated engine speeds. Ideal for naturally aspirated and forced induction setups, the increased pressure helps prevent valve float, maintaining power and combustion efficiency at redline.\u003c\/p\u003e\n\u003ch3 class=\"\" data-end=\"976\" data-start=\"949\"\u003eCommon Issues Addressed\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-end=\"1058\" data-start=\"979\"\u003e\n\u003cstrong data-end=\"995\" data-start=\"979\"\u003eValve Float:\u003c\/strong\u003e Prevents power loss and combustion instability at high RPMs.\u003c\/li\u003e\n\u003cli data-end=\"1165\" data-start=\"1061\"\u003e\n\u003cstrong data-end=\"1080\" data-start=\"1061\"\u003eSpring Binding:\u003c\/strong\u003e Eliminates coil bind, which can lead to mechanical interference or spring failure.\u003c\/li\u003e\n\u003cli data-end=\"1249\" data-start=\"1168\"\u003e\n\u003cstrong data-end=\"1188\" data-start=\"1168\"\u003eSpring Breakage:\u003c\/strong\u003e Reduces the risk of dropped valves and severe engine damage.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 class=\"\" data-end=\"1298\" data-start=\"1251\"\u003ePrecision Components for Demanding Builds\u003c\/h3\u003e\n\u003cp class=\"\" data-end=\"1573\" data-start=\"1299\"\u003eFerrea valve springs are \u003cstrong data-end=\"1374\" data-start=\"1324\"\u003eheat-treated, stress-relieved, and shot-peened\u003c\/strong\u003e to ensure consistent performance under extreme loads. The included \u003cstrong data-end=\"1477\" data-start=\"1442\"\u003eCNC-machined chromoly retainers\u003c\/strong\u003e provide exceptional strength with reduced mass, helping maintain precise valve timing at speed.\u003c\/p\u003e\n\u003cp class=\"\" data-end=\"1882\" data-start=\"1575\"\u003eThe kit also includes \u003cstrong data-end=\"1628\" data-start=\"1597\"\u003eFerrea Spring Seat Locators\u003c\/strong\u003e made from durable \u003cstrong data-end=\"1670\" data-start=\"1647\"\u003e4140 chromoly alloy\u003c\/strong\u003e, finished with a \u003cstrong data-end=\"1718\" data-start=\"1688\"\u003eNitrided surface treatment\u003c\/strong\u003e to enhance wear resistance. These seat locators maintain exact tolerances and provide a flat, parallel surface for consistent spring seating and load distribution.\u003c\/p\u003e\n\u003ch3 class=\"\" data-end=\"1943\" data-start=\"1884\"\u003eIdeal for High-Lift Cams and Performance Applications\u003c\/h3\u003e\n\u003cp class=\"\" data-end=\"2197\" data-start=\"1944\"\u003eStock BMW valve springs are not designed to handle the stress of performance camshafts or forced induction. Upgrading to this Ferrea kit ensures reliable valve control, reduces the risk of failure, and supports increased horsepower and engine longevity.\u003c\/p\u003e\n\u003cp class=\"\" data-end=\"2322\" data-start=\"2301\"\u003e\u003cstrong data-end=\"2320\" data-start=\"2301\"\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-end=\"2348\" data-start=\"2325\"\u003eSeat Pressure: 80 lbs\u003c\/li\u003e\n\u003cli data-end=\"2400\" data-start=\"2351\"\u003eEngine Compatibility: BMW M50 \/ M52 \/ S50 \/ S52\u003c\/li\u003e\n\u003cli data-end=\"2468\" data-start=\"2403\"\u003eIncluded: Valve Springs, Chromoly Retainers, 4140 Seat Locators\u003c\/li\u003e\n\u003cli data-end=\"2540\" data-start=\"2471\"\u003eApplication: High-lift camshafts, track and street performance builds\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"color: #f20b0b;\"\u003e\u003cstrong\u003eInstallation requires the expertise of an engine builder.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eBMW M50 Applications:\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003e3 Series\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"padding-left: 40px;\"\u003e1990-1995     E36     320i \/ 325i \/ 325is\u003cbr\u003e1994-1996     E35\/E36     318ti\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e5 Series\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"padding-left: 40px;\"\u003e1990-1996     E34     520i \/ 525i\u003cbr\u003e1991-1996     E34 Touring     520i \/ 525i\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eZ Series\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"padding-left: 40px;\"\u003e1995     E36\/E37     Z3 2.0i \/ 2.5i\u003cbr\u003e\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eBMW M52 Applications:\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003e3 Series\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"padding-left: 40px;\"\u003e1994-1999     E36     320i \/ 323i \/ 323is \/ 328i \/ 328is\u003cbr\u003e1997-2000     E35\/E36     318ti \/ 323ti\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e5 Series\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"padding-left: 40px;\"\u003e1996-1998     E39     520i \/ 523i \/ 528i\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e7 Series\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"padding-left: 40px;\"\u003e1996-1998     E38     728i \/ 728iL\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eZ Series\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"padding-left: 40px;\"\u003e1996-1999     E36\/E37\/E38     Z3 2.0i \/ 2.2i \/ 2.8i\u003cstrong\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eBMW S50 US Applications:\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003e3 Series\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"padding-left: 40px;\"\u003e1994-1995     E36     M3\u003cbr\u003e\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eBMW S52 Applications:\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003e3 Series\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"padding-left: 40px;\"\u003e1996-1999     E36     M3\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eZ Series\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"padding-left: 40px;\"\u003e1998-2000     E36\/E37\/E38     Z3M\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eSupplied in Egypt by iCode — the official 5150 AutoSport dealer.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cem\u003ePrice shown in EGP is an estimate at today's exchange rate. Final price confirmed after shipping and customs fees.\u003c\/em\u003e\u003c\/p\u003e","brand":"Ferrea","offers":[{"title":"Default Title","offer_id":68331750293703,"sku":"FER-KT4041","price":81044.46,"currency_code":"EGP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0778\/2108\/3847\/files\/Ferrea-Racing-Valve-Springs-for-BMW-M50-M52-S50-S52.webp?v=1794335042","url":"https:\/\/icode-egypt.com\/products\/5150-ferrea-high-performance-valve-spring-kit-m50-m52-s50-s52","provider":"iCode - EG","version":"1.0","type":"link"}