{"product_id":"bmw-disa-valve-replacement-11617544805","title":"BMW DISA Valve Replacement - 11617544805","description":"\u003ch2\u003eRein BMW DISA Valve \/ Intake Manifold Adjusting Unit — 11617544805\u003c\/h2\u003e\n\u003cp\u003eRestore proper intake manifold operation, low-end torque, and smooth engine performance with a \u003cstrong\u003eRein Automotive DISA Valve Replacement\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eBMW's DISA valve, short for \u003cstrong\u003eDifferential Intake Air Control, \u003c\/strong\u003eis a variable-length intake manifold system designed to help the engine produce the best possible power and torque throughout the RPM range. At lower engine speeds, the DISA system effectively creates a \u003cstrong\u003elonger intake runner path to improve low-end torque\u003c\/strong\u003e. As engine speed increases, the valve changes position to create a \u003cstrong\u003eshorter intake path for improved airflow and top-end power\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eLike many moving components in the intake system, the DISA valve can wear out over time. A failing valve can cause drivability problems, intake leaks, and excessive noise from the engine bay. In severe cases, internal components of a damaged DISA assembly can come loose, making replacement important when failure is detected.\u003c\/p\u003e\n\u003ch3\u003eProduct Details\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eManufactured by \u003cstrong\u003eRein Automotive\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eComplete DISA \/ intake manifold adjusting unit\u003c\/li\u003e\n\u003cli\u003eDirect replacement for the original BMW unit\u003c\/li\u003e\n\u003cli\u003eRestores proper variable intake runner operation\u003c\/li\u003e\n\u003cli\u003eHelps restore low-RPM torque and high-RPM airflow\u003c\/li\u003e\n\u003cli\u003eReplacement for a worn, noisy, or failed DISA valve\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eReplaces BMW Part Numbers\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e11617544805\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e11617502275\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eBMW 11617544805 supersedes the earlier 11617502275 adjuster unit.\u003c\/p\u003e\n\u003ch3\u003eWhat Does the DISA Valve Do?\u003c\/h3\u003e\n\u003cp\u003eBMW designed the intake manifold to work efficiently across a wide range of engine speeds. An intake runner length that works well at low RPM isn't necessarily ideal at high RPM, so the DISA system allows the effective intake path to change as the engine operates.\u003c\/p\u003e\n\u003cp\u003eAt lower RPM, the system utilizes a longer intake path to help improve \u003cstrong\u003eair velocity and low-end torque\u003c\/strong\u003e. At higher engine speeds, the DISA changes position to alter the intake path and improve airflow for \u003cstrong\u003eupper-RPM power\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eWhen everything is working correctly, the change happens automatically and helps give BMW's inline-six engines their broad, smooth power delivery.\u003c\/p\u003e\n\u003ch3\u003eCommon Symptoms of a Failed DISA Valve\u003c\/h3\u003e\n\u003cp\u003eA worn or failed DISA valve can cause:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHesitation at low RPM\u003c\/li\u003e\n\u003cli\u003eLoss of low-end torque\u003c\/li\u003e\n\u003cli\u003eRough or unstable idle\u003c\/li\u003e\n\u003cli\u003eLean-condition fault codes\u003c\/li\u003e\n\u003cli\u003eIntake-related vacuum leaks\u003c\/li\u003e\n\u003cli\u003eRattling or other loud noises from the engine bay\u003c\/li\u003e\n\u003cli\u003eInconsistent engine performance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eA particularly loud rattling DISA should not be ignored. The internal flap and pivot components can wear, and failure of these components can potentially allow pieces to enter the intake tract.\u003c\/p\u003e\n\u003ch3\u003eRein Automotive Replacement\u003c\/h3\u003e\n\u003cp\u003eThis replacement DISA valve is manufactured by \u003cstrong\u003eRein Automotive\u003c\/strong\u003e, a specialist in replacement components for European vehicles.\u003c\/p\u003e\n\u003cp\u003eRather than attempting to repair a heavily worn original unit, replacing the complete DISA assembly provides a straightforward way to restore proper operation of the variable-length intake system.\u003c\/p\u003e\n\u003ch3\u003eFitment Guide\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e BMW 11617544805 \/ 11617502275 is primarily the large DISA valve used on \u003cstrong\u003eM54 3.0L applications and certain M56 SULEV 2.5L applications\u003c\/strong\u003e. It should not be assumed to fit every M54-powered 325i\/325Ci. For example, the 325i\/325Ci applications for this specific part are identified as M56 SULEV applications in BMW\/Rein fitment data.\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 \/ Notes\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\u003e325Ci\u003c\/td\u003e\n\u003ctd\u003e2003–2006\u003c\/td\u003e\n\u003ctd\u003eM56 SULEV 2.5L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eE46\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e325i\u003c\/td\u003e\n\u003ctd\u003e2003–2005\u003c\/td\u003e\n\u003ctd\u003eM56 SULEV 2.5L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eE46\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e330Ci\u003c\/td\u003e\n\u003ctd\u003e2001–2006\u003c\/td\u003e\n\u003ctd\u003eM54B30\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eE46\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e330i\u003c\/td\u003e\n\u003ctd\u003e2001–2005\u003c\/td\u003e\n\u003ctd\u003eM54B30\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eE46\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e330xi\u003c\/td\u003e\n\u003ctd\u003e2001–2005\u003c\/td\u003e\n\u003ctd\u003eM54B30\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\u003eM54B30\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\u003e2004–2005\u003c\/td\u003e\n\u003ctd\u003eM54B30\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\u003eM54B30\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\u003eM54B30\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 Roadster\u003c\/td\u003e\n\u003ctd\u003e2001–2002\u003c\/td\u003e\n\u003ctd\u003eM54B30\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 3.0i Coupe\u003c\/td\u003e\n\u003ctd\u003e2001–2002\u003c\/td\u003e\n\u003ctd\u003eM54B30\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\u003eM54B30\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eThese applications are supported by BMW catalog and Rein fitment information for 11617544805.\u003c\/p\u003e\n\u003ch3\u003eImportant Fitment Note\u003c\/h3\u003e\n\u003cp\u003eThe model list provided for this part can sometimes be misleading because BMW used \u003cstrong\u003edifferent DISA valves depending on engine displacement and engine version\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eFor this specific Rein replacement of BMW \u003cstrong\u003e11617544805 \/ 11617502275\u003c\/strong\u003e, verified applications center on the \u003cstrong\u003eM54B30 3.0L engine\u003c\/strong\u003e along with specific \u003cstrong\u003eM56 SULEV 2.5L\u003c\/strong\u003e applications.\u003c\/p\u003e\n\u003cp\u003eModels such as the \u003cstrong\u003e545i, 645Ci, 745i, 745Li, and Alpina B7 use different engine families and should not be included in the fitment table for this specific Rein DISA valve solely because a generic catalog lists an \"intake manifold actuator.\"\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eVerify the BMW part number on your original DISA valve or confirm your engine before ordering.\u003c\/p\u003e\n\u003ch3\u003eRestore Your Intake System\u003c\/h3\u003e\n\u003cp\u003eA worn DISA valve can make an otherwise healthy BMW feel sluggish, inconsistent, or rough at lower engine speeds. If you're experiencing \u003cstrong\u003ehesitation, rough idle, lean codes, loss of low-end torque, or a loud rattle from the DISA area\u003c\/strong\u003e, replacing the worn unit can restore proper variable intake manifold operation.\u003c\/p\u003e\n\u003cp\u003eWith a complete \u003cstrong\u003eRein replacement DISA valve\u003c\/strong\u003e, you can replace the aging assembly rather than relying on a worn original unit.\u003c\/p\u003e","brand":"OE Supplier","offers":[{"title":"Default Title","offer_id":43216670687326,"sku":"11617544805","price":184.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0673\/0845\/3982\/files\/bmw-disa-valve-11617544805-rein.png?v=1787750199","url":"https:\/\/vanosrebuildkits.com\/products\/bmw-disa-valve-replacement-11617544805","provider":"VANOS Rebuild Kits","version":"1.0","type":"link"}