{"product_id":"bilstein-40-303567-air-suspension-spring-rear","title":"Bilstein 40-303567 Air Suspension Spring - Rear","description":"\u003ch2\u003eBilstein B3 OE Replacement Air Spring\u003c\/h2\u003e\u003cp\u003eBilstein B3 OE Replacement (Air) suspension air bag 40-303567 is built for select rear applications on BMW 5 Series xDrive models. It restores the original air suspension connection and ride feel with a direct-fit design that uses the vehicle’s original connectors.\u003c\/p\u003e\u003cp\u003eAs part of the Bilstein B3 OE Replacement (Air) line, this air suspension spring is focused on OE-style fitment for European vehicles. The black painted finish and direct replacement design support a clean installation on the rear suspension without modification.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eBilstein B3 OE Replacement (Air) air suspension spring\u003c\/li\u003e\n\u003cli\u003ePart number 40-303567\u003c\/li\u003e\n\u003cli\u003eBlack painted finish\u003c\/li\u003e\n\u003cli\u003eDirect connection to original vehicle connectors\u003c\/li\u003e\n\u003cli\u003eOE-style replacement for select European vehicles\u003c\/li\u003e\n\u003cli\u003eRear suspension application\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eBilstein 40-303567 is an air suspension spring designed for rear use on select BMW models, including the 2009-2010 BMW 535i xDrive rear and the 2008 BMW 535xi rear, plus the 2006-2007 BMW 530xi rear. It is engineered as an OE replacement air bag that restores the original suspension layout and feel while maintaining factory-style connector compatibility. For shoppers searching for a rear air suspension spring for BMW 535i xDrive, BMW 535xi, or BMW 530xi, this Bilstein B3 OE Replacement (Air) part provides a direct-fit solution.\u003c\/p\u003e\u003cp\u003eBilstein is an OE supplier for air suspension systems, and this product line is built to meet the standards expected for original-equipment replacement. The 40-303567 air spring is intended for vehicles with sports suspension and is finished in black paint for a clean, service-ready appearance.\u003c\/p\u003e\u003ch2\u003eWhat It Helps Solve\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRear suspension sag on BMW 535i xDrive, 535xi, or 530xi models\u003c\/li\u003e\n\u003cli\u003eLoss of original ride height from a worn air spring\u003c\/li\u003e\n\u003cli\u003eAir suspension leaks at the rear spring assembly\u003c\/li\u003e\n\u003cli\u003eRide quality changes caused by aging OE air bags\u003c\/li\u003e\n\u003cli\u003eNeed for a direct replacement that connects to factory connectors\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eFits 2009-2010 BMW 535i xDrive, rear; Fits 2008 BMW 535xi, rear; Fits 2006-2007 BMW 530xi, rear. Verify the vehicle’s suspension configuration and rear application before installation. This part cross-references Monroe Shocks \u0026amp; Struts (e.g., 172286, 182286) for the same application.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eBilstein supplies OE-level air suspension components, and the B3 OE Replacement (Air) line is built to match original connector layouts and factory replacement expectations for European vehicles.\u003c\/p\u003e","brand":"Bilstein","offers":[{"title":"Default Title","offer_id":51955983286453,"sku":"BBGL-40-303567","price":368.66,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/B5_40303567_Fro.jpg?v=1775061888","url":"https:\/\/www.partcatalog.com\/products\/bilstein-40-303567-air-suspension-spring-rear","provider":"PartCatalog","version":"1.0","type":"link"}