{"product_id":"single-vanos-rebuild-kit-stage-4","title":"Single VANOS Rebuild Kit - Stage 4","description":"\u003ch2\u003eBMW M50TU \/ M52 Single VANOS Rebuild Kit — Stage 4\u003c\/h2\u003e\n\u003cp\u003eGo beyond rebuilding the VANOS unit with our \u003cstrong\u003eStage 4 Single VANOS Rebuild Kit\u003c\/strong\u003e. Designed for BMW M50TU, M52, and US-spec S52 engines, Stage 4 includes everything from our Stage 3 kit plus the additional gaskets, grommets, and VANOS oil feed line needed for a more comprehensive VANOS service.\u003c\/p\u003e\n\u003cp\u003eBMW introduced VANOS variable valve timing in the early 1990s to improve low-end torque, drivability, and engine efficiency. After decades of mileage and heat cycles, the original VANOS piston seals can harden and wear, reducing the unit's ability to properly control camshaft timing. Wear within the VANOS bearing assembly can also create the distinctive metallic rattle these engines are known for.\u003c\/p\u003e\n\u003cp\u003eCommon symptoms of a worn Single VANOS unit can include \u003cstrong\u003eloss of low-end torque, sluggish throttle response, inconsistent power delivery, VANOS-related fault codes, oil leakage, and VANOS rattle\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eIf the front of your engine sounds like there are \u003cstrong\u003emarbles or rocks rolling around inside it\u003c\/strong\u003e, there's a good chance you're hearing the infamous VANOS rattle.\u003c\/p\u003e\n\u003cp\u003eOur \u003cstrong\u003eStage 4 kit\u003c\/strong\u003e is designed for the owner who wants to tackle the VANOS rebuild and replace several of the common surrounding wear and sealing components at the same time.\u003c\/p\u003e\n\u003ch3\u003eStage 4 Kit Includes:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 PTFE (Teflon) Piston Ring Seal\u003c\/li\u003e\n\u003cli\u003e1 FKM (Viton) O-Ring Seal\u003c\/li\u003e\n\u003cli\u003e2 Copper VANOS Oil Line Sealing Washers\u003c\/li\u003e\n\u003cli\u003eAnti-Rattle Bushing Set\n\u003cul\u003e\n\u003cli\u003e1 Anti-Rattle Bushing\u003c\/li\u003e\n\u003cli\u003e2 Anti-Rattle Bearings\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e1 OEM VANOS Sealing Gasket\u003c\/li\u003e\n\u003cli\u003eValve Cover Gasket\u003c\/li\u003e\n\u003cli\u003eSpark Plug Well Gaskets\u003c\/li\u003e\n\u003cli\u003e15 Valve Cover Rubber Grommets\u003c\/li\u003e\n\u003cli\u003eVANOS Oil Feed Line\u003c\/li\u003e\n\u003cli\u003eBanjo Bolts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhy Choose Stage 4?\u003c\/h3\u003e\n\u003cp\u003eStage 4 is our \u003cstrong\u003ecomprehensive Single VANOS service kit\u003c\/strong\u003e. In addition to rebuilding the internal VANOS components, it allows you to replace several aging parts that are already accessible during the repair.\u003c\/p\u003e\n\u003cp\u003eThe valve cover must be removed as part of the VANOS service, making this an ideal time to replace the \u003cstrong\u003evalve cover gasket, spark plug well gaskets, and rubber sealing grommets\u003c\/strong\u003e rather than reinstalling old, hardened seals.\u003c\/p\u003e\n\u003cp\u003eWe've also included a \u003cstrong\u003enew VANOS oil feed line with banjo bolts\u003c\/strong\u003e. This line supplies pressurized engine oil to the VANOS system and can develop leaks as it ages.\u003c\/p\u003e\n\u003cp\u003eWith Stage 4, you can address the VANOS seals, bearing rattle, VANOS mounting gasket, valve cover sealing system, and oil feed line in one service.\u003c\/p\u003e\n\u003ch3\u003eDon't Be Fooled by Cheap VANOS Kits\u003c\/h3\u003e\n\u003cp\u003eNot all VANOS rebuild kits are created equal. There are cheaper kits available online, but \u003cstrong\u003ethe quality of the seals, bearings, and materials is not the same\u003c\/strong\u003e. There's a reason some kits sell for less than half the price.\u003c\/p\u003e\n\u003cp\u003eWe source quality components specifically for these applications and use an \u003cstrong\u003eOEM VANOS sealing gasket\u003c\/strong\u003e where specified. Stage 4 is designed to give you the parts needed to perform a more complete repair instead of piecing together a kit from multiple sources.\u003c\/p\u003e\n\u003ch3\u003eSpecial Tool Required\u003c\/h3\u003e\n\u003cp\u003eA \u003cstrong\u003emodified 18mm socket\u003c\/strong\u003e is required to disassemble most M50TU\/M52 Single VANOS units. We offer the properly modified socket separately at a small additional cost to make the rebuild easier.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e Some 1993 Single VANOS units require a \u003cstrong\u003emodified 17mm socket\u003c\/strong\u003e instead of the 18mm version. Verify your VANOS unit before ordering your tool.\u003c\/p\u003e\n\u003ch3\u003eFitment Guide\u003c\/h3\u003e\n\u003cp\u003eThis kit is designed for BMW models equipped with \u003cstrong\u003eM50TU, M52, and US-spec S52 Single VANOS engines\u003c\/strong\u003e. Fitment varies by market and production date.\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eChassis\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eYears \/ Production\u003c\/th\u003e\n\u003cth\u003eEngine\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eE36\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e320i\u003c\/td\u003e\n\u003ctd\u003e1992–1998\u003c\/td\u003e\n\u003ctd\u003eM50TU \/ M52\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eE36\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e323i \/ 323is\u003c\/td\u003e\n\u003ctd\u003e1995–1999\u003c\/td\u003e\n\u003ctd\u003eM52\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eE36\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e325i \/ 325is\u003c\/td\u003e\n\u003ctd\u003e1992–1995\u003c\/td\u003e\n\u003ctd\u003eM50TU\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eE36\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e328i \/ 328is\u003c\/td\u003e\n\u003ctd\u003e1995–1999\u003c\/td\u003e\n\u003ctd\u003eM52\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eE36\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eM3 (US)\u003c\/td\u003e\n\u003ctd\u003e1996–1999\u003c\/td\u003e\n\u003ctd\u003eS52\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eE34\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e520i\u003c\/td\u003e\n\u003ctd\u003e1992–1995\u003c\/td\u003e\n\u003ctd\u003eM50TU\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eE34\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e525i \/ 525ix\u003c\/td\u003e\n\u003ctd\u003e1992–1995\u003c\/td\u003e\n\u003ctd\u003eM50TU\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eE39\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e520i (Euro)\u003c\/td\u003e\n\u003ctd\u003e1996–1998\u003c\/td\u003e\n\u003ctd\u003eM52\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eE39\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e523i (Euro)\u003c\/td\u003e\n\u003ctd\u003e1996–1998\u003c\/td\u003e\n\u003ctd\u003eM52\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eE39\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e528i\u003c\/td\u003e\n\u003ctd\u003e1996–9\/1998\u003c\/td\u003e\n\u003ctd\u003eM52\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eE38\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e728i \/ 728iL (Euro)\u003c\/td\u003e\n\u003ctd\u003e1995–1998\u003c\/td\u003e\n\u003ctd\u003eM52\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eZ3 E36\/7\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2.8\u003c\/td\u003e\n\u003ctd\u003e1997–1998\u003c\/td\u003e\n\u003ctd\u003eM52\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eZ3 M Roadster E36\/7\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3.2 (US)\u003c\/td\u003e\n\u003ctd\u003e1998–2000\u003c\/td\u003e\n\u003ctd\u003eS52\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eZ3 M Coupe E36\/8\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3.2 (US)\u003c\/td\u003e\n\u003ctd\u003e1999–2000\u003c\/td\u003e\n\u003ctd\u003eS52\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eImportant Fitment Note:\u003c\/strong\u003e Because Stage 4 includes a \u003cstrong\u003evalve cover gasket set, rubber grommets, and VANOS oil feed line\u003c\/strong\u003e, some components can vary by engine, chassis, and production date. Be sure to select the correct vehicle\/engine option when ordering.\u003c\/p\u003e\n\u003cp\u003eBMW transitioned several models from Single VANOS M52 engines to Dual VANOS M52TU engines around the 1998–1999 model years. Verify your engine and production date before ordering.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eEuropean Z3 M Note:\u003c\/strong\u003e European-market Z3 M models use the S50B32 engine, which has a different Double VANOS system and \u003cstrong\u003edoes not use this M50TU\/M52 Single VANOS rebuild kit\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3\u003eStage 4: The Comprehensive VANOS Service Kit\u003c\/h3\u003e\n\u003cp\u003eChoose \u003cstrong\u003eStage 4\u003c\/strong\u003e when you want to do more than rebuild the VANOS itself. This kit combines the \u003cstrong\u003eupgraded VANOS seals, anti-rattle components, OEM VANOS gasket, valve cover gasket set, 15 rubber grommets, and VANOS oil feed line with banjo bolts\u003c\/strong\u003e into one convenient package.\u003c\/p\u003e\n\u003cp\u003eInstead of removing the valve cover and VANOS unit only to reinstall decades-old surrounding seals and hardware, Stage 4 gives you the parts to refresh the entire area while you're already in there.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRebuild it once. Rebuild it right.\u003c\/strong\u003e\u003c\/p\u003e","brand":"VANOS Rebuild Kits","offers":[{"title":"M50TU\/S50 \/ No","offer_id":43187118932062,"sku":"vrk-single-stage4-m50-no","price":220.0,"currency_code":"USD","in_stock":true},{"title":"M50TU\/S50 \/ 17mm","offer_id":43187118964830,"sku":"vrk-single-stage4-m50-17","price":230.0,"currency_code":"USD","in_stock":true},{"title":"M50TU\/S50 \/ 18mm","offer_id":43187118997598,"sku":"vrk-single-stage4-m50-18","price":230.0,"currency_code":"USD","in_stock":true},{"title":"M52\/S52 \/ No","offer_id":43187121160286,"sku":"vrk-single-stage4-m52-no","price":220.0,"currency_code":"USD","in_stock":true},{"title":"M52\/S52 \/ 18mm","offer_id":43187121225822,"sku":"vrk-single-stage4-m52-18","price":230.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0673\/0845\/3982\/files\/rg-ultimate-single-vanos.png?v=1787078188","url":"https:\/\/vanosrebuildkits.com\/products\/single-vanos-rebuild-kit-stage-4","provider":"VANOS Rebuild Kits","version":"1.0","type":"link"}