{"product_id":"pierburg-7-21852-24-0-secondary-air-injection-pump","title":"Pierburg 7.21852.24.0 Secondary Air Injection Pump","description":"\u003ch2\u003ePierburg Secondary Air Injection Pump for BMW\u003c\/h2\u003e\u003cp\u003eThe Pierburg 7.21852.24.0 is an electric secondary air injection pump for emission control systems. It supplies fresh air during cold starts to help the engine management system reduce exhaust emissions, and it is a direct-fit option for select BMW 3 Series applications.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eElectric secondary air injection pump\u003c\/li\u003e\n\u003cli\u003e12V operating voltage\u003c\/li\u003e\n\u003cli\u003eEmission control component for cold-start air injection\u003c\/li\u003e\n\u003cli\u003eOE-style replacement for select BMW 320i, 323i, 325i, 328i, and 330i applications\u003c\/li\u003e\n\u003cli\u003eCross-references Pierburg 7.21852.24.0 for the same application\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFitment Details\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFits 2001-2005 BMW 320i, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 2003-2005 BMW 325Ci, N\/A, with OE No. 11727553056\u003c\/li\u003e\n\u003cli\u003eFits 2003-2005 BMW 325i, N\/A, with OE No. 11727553056\u003c\/li\u003e\n\u003cli\u003eFits 2003-2005 BMW 325xi, N\/A, with OE No. 11727553056\u003c\/li\u003e\n\u003cli\u003eFits 2003-2005 BMW 330Ci, N\/A, with OE No. 11727553056\u003c\/li\u003e\n\u003cli\u003eFits 2003-2005 BMW 330i, N\/A, with OE No. 11727553056\u003c\/li\u003e\n\u003cli\u003eFits 2003-2005 BMW 330xi, N\/A, with OE No. 11727553056\u003c\/li\u003e\n\u003cli\u003eFits 2001-2002 BMW 325Ci, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 2001-2002 BMW 325i, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 2001-2002 BMW 325xi, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 2001-2002 BMW 330Ci, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 2001-2002 BMW 330i, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 2001-2002 BMW 330xi, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 2000 BMW 323Ci, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 1999-2000 BMW 323i, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 2000 BMW 328Ci, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 1999-2000 BMW 328i, N\/A\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhat This Pump Helps Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSecondary air injection pump failure codes\u003c\/li\u003e\n\u003cli\u003eCold-start emissions faults\u003c\/li\u003e\n\u003cli\u003eInsufficient secondary air flow during startup\u003c\/li\u003e\n\u003cli\u003eCheck engine light concerns tied to the air injection system\u003c\/li\u003e\n\u003cli\u003eBMW 3 Series emission control system performance issues\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify the OE number 11727553056 and confirm the vehicle’s model year before ordering. This pump is a 12V electric unit, so electrical connectors, relay operation, and related hoses should be inspected during diagnosis to avoid replacing the pump without addressing the root cause. For BMW 320i, 325Ci, 325i, 325xi, 330Ci, 330i, and 330xi applications, match the part number and fitment notes exactly.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003ePierburg is an established OE supplier in emission control components, and this pump is built to meet the requirements of the listed BMW applications. Technical Information Number: SI 1150-11.\u003c\/p\u003e","brand":"Pierburg","offers":[{"title":"Default Title","offer_id":43934513889461,"sku":"JCJT-7.21852.24.0","price":303.61,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/HL_721852240_Fro.jpg?v=1775005085","url":"https:\/\/www.partcatalog.com\/products\/pierburg-7-21852-24-0-secondary-air-injection-pump","provider":"PartCatalog","version":"1.0","type":"link"}