{"product_id":"dual-vanos-anti-rattle-bearing-kit","title":"Dual VANOS Anti-Rattle Bearing Kit","description":"\u003ch2\u003eBMW M52TU \/ M54 Dual VANOS High-Performance Bearing Rattle Repair Kit\u003c\/h2\u003e\n\u003cp\u003eEliminate the infamous BMW Dual VANOS rattle with our \u003cstrong\u003eHigh-Performance Dual VANOS Bearing Rattle Repair Kit\u003c\/strong\u003e, engineered specifically for BMW M52TU and M54 Dual VANOS units.\u003c\/p\u003e\n\u003cp\u003eAs BMW Dual VANOS units accumulate mileage, wear within the piston bearing assemblies can create excessive axial play. The result is the familiar metallic VANOS rattle coming from the front of the engine, often described as \u003cstrong\u003emarbles or rocks rattling around inside the timing system\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eUnlike the Single VANOS system, the M52TU and M54 use \u003cstrong\u003eDual VANOS\u003c\/strong\u003e, which independently adjusts both the intake and exhaust camshafts. That means there are two VANOS piston bearing assemblies to service.\u003c\/p\u003e\n\u003cp\u003eOur kit replaces the worn factory bearing components with \u003cstrong\u003ehigh-performance roller bearing assemblies\u003c\/strong\u003e designed to reduce unwanted movement, eliminate bearing-related VANOS rattle, and restore proper operation of both VANOS piston assemblies.\u003c\/p\u003e\n\u003ch3\u003eKit Includes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e2 VANOS Bearing Rings\u003c\/li\u003e\n\u003cli\u003e4 High-Performance Roller Bearings\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eOne complete bearing repair kit services \u003cstrong\u003eboth the intake and exhaust sides\u003c\/strong\u003e of the M52TU\/M54 Dual VANOS unit.\u003c\/p\u003e\n\u003ch3\u003eIndividually Fitment Checked\u003c\/h3\u003e\n\u003cp\u003eBearing fit is extremely important when rebuilding a VANOS unit.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eEvery bearing kit is checked for proper fit using a brand-new VANOS unit before it leaves us.\u003c\/strong\u003e This provides a known factory-spec reference point for the bearing assemblies.\u003c\/p\u003e\n\u003cp\u003eHowever, your VANOS unit may have accumulated decades of wear. Because the amount of wear can vary between individual units, \u003cstrong\u003eminor adjustment of the bearing rings or races may be required to achieve the correct fit and preload in your specific VANOS assembly.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis is normal and allows the bearing assemblies to be precisely fitted to your VANOS rather than relying on a one-size-fits-all tolerance.\u003c\/p\u003e\n\u003ch3\u003eWhat Does Dual VANOS Rattle Sound Like?\u003c\/h3\u003e\n\u003cp\u003eA worn Dual VANOS bearing assembly typically creates a metallic rattling or buzzing noise from the front of the engine. Many owners describe it as sounding like \u003cstrong\u003ea handful of marbles or small rocks being shaken around inside the VANOS unit\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThe noise may become more noticeable within certain RPM ranges and can sometimes be mistaken for timing chain or other valvetrain noise.\u003c\/p\u003e\n\u003cp\u003eReplacing the worn bearing components and properly setting bearing preload helps eliminate excessive movement within the VANOS piston assemblies.\u003c\/p\u003e\n\u003ch3\u003eDon't Be Fooled by Cheap VANOS Bearing Kits\u003c\/h3\u003e\n\u003cp\u003eNot all VANOS rebuild components are created equal.\u003c\/p\u003e\n\u003cp\u003eThere are cheaper bearing kits available online, but \u003cstrong\u003ebearing quality, tolerances, and fitment matter\u003c\/strong\u003e. There's a reason some kits cost significantly less.\u003c\/p\u003e\n\u003cp\u003eOur high-performance roller bearing components are specifically selected for BMW M52TU\/M54 Dual VANOS applications, and \u003cstrong\u003eevery kit is checked in a brand-new VANOS unit for proper reference fitment before being sold\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eWhen you're already taking apart your VANOS unit, saving a few dollars on one of the most important components inside it isn't worth doing the job twice.\u003c\/p\u003e\n\u003ch3\u003eBearing Fitment \u0026amp; Adjustment\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e Used VANOS units can have different amounts of wear. Some bearing assemblies may require minor adjustment during installation to achieve the proper preload and piston movement.\u003c\/p\u003e\n\u003cp\u003eAlways check \u003cstrong\u003eboth VANOS bearing assemblies individually\u003c\/strong\u003e during the rebuild.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e400-grit sandpaper must be used for the following adjustment procedures.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3\u003eTo Tighten the Bearing\u003c\/h3\u003e\n\u003cp\u003eIf \u003cstrong\u003eaxial play is present or there is insufficient preload\u003c\/strong\u003e, the applicable bearing ring can be carefully sanded to tighten the assembly.\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003ePlace a sheet of \u003cstrong\u003e400-grit sandpaper\u003c\/strong\u003e on a solid, completely flat surface.\u003c\/li\u003e\n\u003cli\u003eUsing medium pressure, sand one surface of the bearing ring back and forth approximately \u003cstrong\u003e6–8 inches, 30–40 times\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eRotate the ring \u003cstrong\u003e90 degrees\u003c\/strong\u003e and repeat the sanding procedure.\u003c\/li\u003e\n\u003cli\u003eFlip the ring over and repeat the procedure on the opposite surface.\u003c\/li\u003e\n\u003cli\u003eRotate the ring another \u003cstrong\u003e90 degrees\u003c\/strong\u003e and repeat.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003eThis procedure removes only a very small amount of material—approximately \u003cstrong\u003e0.004–0.006 mm from the total thickness of the ring\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eReassemble and check bearing fit and preload. Repeat only if additional adjustment is necessary.\u003c\/p\u003e\n\u003ch3\u003eTo Loosen the Bearing\u003c\/h3\u003e\n\u003cp\u003eIf \u003cstrong\u003eexcessive force is required to rotate the VANOS piston\u003c\/strong\u003e, the applicable bearing race can be carefully sanded to increase clearance.\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003ePlace a sheet of \u003cstrong\u003e400-grit sandpaper\u003c\/strong\u003e on a solid, completely flat surface.\u003c\/li\u003e\n\u003cli\u003eUsing medium pressure, sand one surface of the bearing race back and forth approximately \u003cstrong\u003e6–8 inches, 30–40 times\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eRotate the race \u003cstrong\u003e90 degrees\u003c\/strong\u003e and repeat the sanding procedure.\u003c\/li\u003e\n\u003cli\u003eFlip the race over and repeat the procedure on the opposite surface.\u003c\/li\u003e\n\u003cli\u003eRotate the race another \u003cstrong\u003e90 degrees\u003c\/strong\u003e and repeat.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003eThis procedure removes approximately \u003cstrong\u003e0.004–0.006 mm from the total thickness of the race\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eReassemble and check the piston for proper movement. Repeat only if additional adjustment is required.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAlways remove material gradually. It is much easier to remove additional material than to correct a component that has been sanded too far.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3\u003eFitment Guide\u003c\/h3\u003e\n\u003cp\u003eThis kit is designed specifically for BMW models equipped with \u003cstrong\u003eM52TU and M54 Dual VANOS inline-six engines\u003c\/strong\u003e.\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\u003eE46\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e320i \/ 320Ci\u003c\/td\u003e\n\u003ctd\u003e1998–2005\u003c\/td\u003e\n\u003ctd\u003eM52TU \/ M54\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eE46\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e323i \/ 323Ci\u003c\/td\u003e\n\u003ctd\u003e1998–2000\u003c\/td\u003e\n\u003ctd\u003eM52TU\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eE46\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e325i \/ 325Ci \/ 325xi\u003c\/td\u003e\n\u003ctd\u003e2001–2006\u003c\/td\u003e\n\u003ctd\u003eM54\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eE46\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e328i \/ 328Ci\u003c\/td\u003e\n\u003ctd\u003e1998–2000\u003c\/td\u003e\n\u003ctd\u003eM52TU\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eE46\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e330i \/ 330Ci \/ 330xi\u003c\/td\u003e\n\u003ctd\u003e2001–2006\u003c\/td\u003e\n\u003ctd\u003eM54\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eE39\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e520i\u003c\/td\u003e\n\u003ctd\u003e1998–2003\u003c\/td\u003e\n\u003ctd\u003eM52TU \/ M54\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eE39\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e523i\u003c\/td\u003e\n\u003ctd\u003e1998–2000\u003c\/td\u003e\n\u003ctd\u003eM52TU\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eE39\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e525i\u003c\/td\u003e\n\u003ctd\u003e2001–2003\u003c\/td\u003e\n\u003ctd\u003eM54\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\u003e1999–2000\u003c\/td\u003e\n\u003ctd\u003eM52TU\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eE39\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e530i\u003c\/td\u003e\n\u003ctd\u003e2001–2003\u003c\/td\u003e\n\u003ctd\u003eM54\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eE60\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e525i\u003c\/td\u003e\n\u003ctd\u003e2004–2\/2005\u003c\/td\u003e\n\u003ctd\u003eM54\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eE60\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e530i\u003c\/td\u003e\n\u003ctd\u003e2004–2\/2005\u003c\/td\u003e\n\u003ctd\u003eM54\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eE53\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eX5 3.0i\u003c\/td\u003e\n\u003ctd\u003e2001–2006\u003c\/td\u003e\n\u003ctd\u003eM54\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eE83\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eX3 2.5i\u003c\/td\u003e\n\u003ctd\u003e2004–2006\u003c\/td\u003e\n\u003ctd\u003eM54\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eE83\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eX3 3.0i\u003c\/td\u003e\n\u003ctd\u003e2004–2006\u003c\/td\u003e\n\u003ctd\u003eM54\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eE85\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eZ4 2.5i\u003c\/td\u003e\n\u003ctd\u003e2003–2005\u003c\/td\u003e\n\u003ctd\u003eM54\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eE85\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eZ4 3.0i\u003c\/td\u003e\n\u003ctd\u003e2003–2005\u003c\/td\u003e\n\u003ctd\u003eM54\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eE36\/7\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eZ3 2.5i\u003c\/td\u003e\n\u003ctd\u003e2001–2002\u003c\/td\u003e\n\u003ctd\u003eM54\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eE36\/7\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eZ3 2.8i\u003c\/td\u003e\n\u003ctd\u003e1999–2000\u003c\/td\u003e\n\u003ctd\u003eM52TU\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eE36\/7\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eZ3 3.0i\u003c\/td\u003e\n\u003ctd\u003e2001–2002\u003c\/td\u003e\n\u003ctd\u003eM54\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eE36\/8\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eZ3 Coupe 2.8i\u003c\/td\u003e\n\u003ctd\u003e1999–2000\u003c\/td\u003e\n\u003ctd\u003eM52TU\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eE36\/8\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eZ3 Coupe 3.0i\u003c\/td\u003e\n\u003ctd\u003e2001–2002\u003c\/td\u003e\n\u003ctd\u003eM54\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e\u003c\/h3\u003e\n\u003ch3\u003eEngine Fitment\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eM52TU Dual VANOS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eM52TUB20\u003c\/li\u003e\n\u003cli\u003eM52TUB25\u003c\/li\u003e\n\u003cli\u003eM52TUB28\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eM54 Dual VANOS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eM54B22\u003c\/li\u003e\n\u003cli\u003eM54B25\u003c\/li\u003e\n\u003cli\u003eM54B30\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eImportant Production-Date Note\u003c\/h3\u003e\n\u003cp\u003eBMW transitioned several models from the earlier \u003cstrong\u003eM52 Single VANOS engine to the M52TU Dual VANOS engine\u003c\/strong\u003eduring the 1998–1999 production period.\u003c\/p\u003e\n\u003cp\u003eBecause model years can overlap, especially between different markets, we recommend verifying that your vehicle is equipped with an \u003cstrong\u003eM52TU or M54 Dual VANOS engine\u003c\/strong\u003e before ordering.\u003c\/p\u003e\n\u003cp\u003eThis kit is \u003cstrong\u003enot compatible with the earlier M50TU\/M52\/S50\/S52 Single VANOS system or the S54 Dual VANOS system.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3\u003eFix the Dual VANOS Rattle at the Source\u003c\/h3\u003e\n\u003cp\u003eIf your M52TU or M54 sounds like there's a box of marbles at the front of the engine, worn VANOS bearing assemblies may be the source.\u003c\/p\u003e\n\u003cp\u003eOur High-Performance Dual VANOS Bearing Rattle Repair Kit gives you the \u003cstrong\u003etwo bearing rings and four roller bearings\u003c\/strong\u003e needed to service both sides of the VANOS unit. With the ability to precisely adjust each bearing assembly to your individual VANOS unit, you can address excessive play rather than simply living with the noise.\u003c\/p\u003e\n\u003cp\u003eWhether you're repairing an existing VANOS rattle or completing a comprehensive M52TU\/M54 VANOS rebuild, this is an ideal upgrade while the unit is already apart.\u003c\/p\u003e","brand":"VANOS Rebuild Kits","offers":[{"title":"Default Title","offer_id":43216539746398,"sku":"vrk-dual-rattle-kit","price":70.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0673\/0845\/3982\/files\/bmw-dual-vanos-rattle-kit03.png?v=1787745485","url":"https:\/\/vanosrebuildkits.com\/products\/dual-vanos-anti-rattle-bearing-kit","provider":"VANOS Rebuild Kits","version":"1.0","type":"link"}