{"product_id":"bmw-adjusting-pulley","title":"Original BMW Adjusting Pulley with Lever, S65 Accessory Belt Tensioner for BMW M3 E90, E92, and E93 (2008–2013)","description":"\u003cp\u003eFor the S65-powered M3, the Original BMW adjusting pulley with lever is the accessory drive belt tensioner assembly fitted to the E90 sedan, E92 coupe, and E93 convertible from 2008 to 2013. The pulley and its tensioning arm come as one unit, made in Slovakia, and BMW has produced this number since April 2008. The tensioner holds the correct pressure on the drive belt, which turns accessories such as the alternator, power steering pump, water pump, and A\/C compressor. It is sold as one complete assembly.\u003c\/p\u003e\u003cp\u003eOriginal BMW Parts carry a 24-month parts warranty.\u003c\/p\u003e\u003cp\u003eThis number replaced 11-28-7-841-527's predecessor, 11-28-7-838-196, and BMW marks the change as not exchangeable retrospectively. Read the number on the tensioner you are removing before ordering. A failing tensioner shows up as the belt bouncing and hopping because the arm no longer holds even pressure. A worn pulley bearing on the assembly adds uneven resistance and makes the bounce worse. A dragging power steering pump, A\/C compressor, or idler pulley can mimic a bad tensioner, so check the other belt-driven components for smooth rotation before you condemn this one. If the tensioner is the culprit, replace it together with the related belt components for a full belt service.\u003c\/p\u003e\u003ch3\u003eTechnical Details\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eManufacturer: BMW (Original BMW Parts)\u003c\/li\u003e\n\u003cli\u003ePart number: 11-28-7-841-527\u003c\/li\u003e\n\u003cli\u003eBMW part name: adjusting pulley with lever\u003c\/li\u003e\n\u003cli\u003eFunction: accessory drive belt tensioner\u003c\/li\u003e\n\u003cli\u003eProduction start: April 2008\u003c\/li\u003e\n\u003cli\u003ePrevious number: 11-28-7-838-196, not exchangeable retrospectively\u003c\/li\u003e\n\u003cli\u003eEngine: S65\u003c\/li\u003e\n\u003cli\u003eCountry of manufacture: Slovakia\u003c\/li\u003e\n\u003cli\u003eSold as: one assembly with pulley and lever\u003c\/li\u003e\n\u003cli\u003eWarranty: 24 months\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCommon Questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eHow do I know the tensioner is failing?\u003c\/strong\u003e\u003cbr\u003eWatch the belt with the engine running. If it bounces or hops, the tensioner is no longer applying steady pressure.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCould another part cause the same symptom?\u003c\/strong\u003e\u003cbr\u003eYes. A dragging power steering pump, A\/C compressor, or idler pulley can mimic a bad tensioner, so check each one for smooth operation first.\u003c\/p\u003e\n\u003ch3\u003eFitment \u0026amp; Compatibility\u003c\/h3\u003e\u003cp\u003eUse the fitment table below to confirm year, model, submodel, and application notes before ordering. With over 20 years of parts and fitment experience, PMB Performance can match this to your VIN.\u003c\/p\u003e\u003ctable border=\"1\"\u003e\n\u003ctr\u003e\n\u003cth align=\"left\" width=\"100\"\u003eYear\u003c\/th\u003e\n\u003cth align=\"left\" width=\"125\"\u003eMake\u003c\/th\u003e\n\u003cth align=\"left\" width=\"150\"\u003eModel\u003c\/th\u003e\n\u003cth align=\"left\" width=\"80\"\u003eSubmodel\u003c\/th\u003e\n\u003cth align=\"left\"\u003eNotes\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2008\u003c\/td\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003eM3\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2009\u003c\/td\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003eM3\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2010\u003c\/td\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003eM3\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2011\u003c\/td\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003eM3\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2012\u003c\/td\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003eM3\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2013\u003c\/td\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003eM3\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"SSF E","offers":[{"title":"Default Title","offer_id":47779276030130,"sku":"BSMS_11-28-7-841-527","price":264.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0521\/8792\/2610\/files\/CF016303-A64D-4509-A1E7-DADA786890F7-2.jpg?v=1785452932","url":"https:\/\/pmbperformance.com\/products\/bmw-adjusting-pulley","provider":"PMB Performance","version":"1.0","type":"link"}