{"product_id":"single-vanos-rebuild-kit-stage-2","title":"Single VANOS Rebuild Kit - Stage 2","description":"\u003ch2\u003eBMW M50TU \/ M52 Single VANOS Rebuild Kit — Stage 2\u003c\/h2\u003e\n\u003cp\u003eRestore VANOS performance \u003cstrong\u003eand address the infamous VANOS rattle\u003c\/strong\u003e with our \u003cstrong\u003eStage 2 Single VANOS Rebuild Kit\u003c\/strong\u003e, designed for BMW M50TU, M52, and US-spec S52 engines.\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 begin to harden and wear, reducing the unit's ability to properly control camshaft timing. At the same time, wear inside the VANOS bearing assembly can 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 VANOS rattle.\u003c\/p\u003e\n\u003cp\u003eOur \u003cstrong\u003eStage 2 kit\u003c\/strong\u003e takes the rebuild one step further than Stage 1 by including both the upgraded piston seals and our anti-rattle bushing set, allowing you to address the two most common wear areas while the VANOS unit is apart.\u003c\/p\u003e\n\u003ch3\u003eStage 2 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\u003e1 Anti-Rattle Bushing\u003c\/li\u003e\n\u003cli\u003e2 Anti-Rattle Bearings\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhy Choose Stage 2?\u003c\/h3\u003e\n\u003cp\u003eStage 1 replaces the internal VANOS piston seals. \u003cstrong\u003eStage 2 adds the components needed to address VANOS bearing wear and rattle.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIf you're already removing and rebuilding your VANOS unit, Stage 2 is an excellent choice for a more complete rebuild—especially on higher-mileage engines or vehicles already exhibiting VANOS noise.\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 this application so you can rebuild your VANOS with confidence and avoid doing the job twice.\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\u003eNote:\u003c\/strong\u003e Production dates and engine configurations can vary by market. BMW 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 2: Seals + Rattle Repair\u003c\/h3\u003e\n\u003cp\u003eChoose \u003cstrong\u003eStage 2\u003c\/strong\u003e if you want to restore the VANOS piston seals \u003cstrong\u003eand\u003c\/strong\u003e address the common mechanical rattle caused by wear within the VANOS bearing assembly. It's our more complete solution for rebuilding an aging M50TU\/M52\/S52 Single VANOS unit.\u003c\/p\u003e","brand":"VANOS Rebuild Kits","offers":[{"title":"No","offer_id":43187114344542,"sku":"vrk-single-stage2-no","price":80.0,"currency_code":"USD","in_stock":true},{"title":"17mm","offer_id":43187114377310,"sku":"vrk-single-stage2-17","price":90.0,"currency_code":"USD","in_stock":true},{"title":"18mm","offer_id":43187114410078,"sku":"vrk-single-stage2-18","price":90.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0673\/0845\/3982\/files\/bmw-single-vanos-seal-rattle-kit01.png?v=1787663329","url":"https:\/\/vanosrebuildkits.com\/products\/single-vanos-rebuild-kit-stage-2","provider":"VANOS Rebuild Kits","version":"1.0","type":"link"}