{"product_id":"rein-che0866-engine-coolant-hose-expansion-tank-to-radiator","title":"Rein CHE0866 Engine Coolant Hose - Expansion Tank To Radiator","description":"\u003ch2\u003eOE-Style Coolant Hose for BMW Cooling Service\u003c\/h2\u003e\u003cp\u003eRein CHE0866 is an engine coolant hose built for European vehicle cooling systems, with OE-quality construction and direct-replacement dimensions. It is made for the expansion tank to radiator connection on the 2011 BMW 528i, using the same branch sizing and thermoplastic quick-connect style expected from the original hose assembly.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eDirect replacement engine coolant hose for the expansion tank to radiator route\u003c\/li\u003e\n\u003cli\u003eBlack coolant hose finish for a factory-style appearance\u003c\/li\u003e\n\u003cli\u003eHose end 1 outside diameter: 24.33 mm\u003c\/li\u003e\n\u003cli\u003eHose end 2 outside diameter: 24.33 mm\u003c\/li\u003e\n\u003cli\u003eHose end 1 inside diameter: 9.22 mm\u003c\/li\u003e\n\u003cli\u003eHose end 2 inside diameter: 9.22 mm\u003c\/li\u003e\n\u003cli\u003eOE-quality fitment for European cooling system service\u003c\/li\u003e\n\u003cli\u003ePart number CHE0866 for catalog and service verification\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eRein CHE0866 is engineered as an OE-style coolant hose for the 2011 BMW 528i, positioned between the expansion tank and radiator. Rein Automotive designs these hoses to match the original hose assembly in size, shape, and connection style, which helps maintain proper routing and sealing in the cooling system. This makes CHE0866 a practical choice when replacing a worn, cracked, or leaking BMW coolant hose.\u003c\/p\u003e\u003cp\u003eThis part cross-references URO 17127578405 for the same application. For BMW 528i cooling system repairs, CHE0866 provides the correct hose geometry and connection dimensions needed for a direct-fit replacement.\u003c\/p\u003e\u003ch2\u003eWhat This Hose Helps Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCoolant seepage at the expansion tank to radiator connection\u003c\/li\u003e\n\u003cli\u003eCracked or hardened hose material from heat cycling\u003c\/li\u003e\n\u003cli\u003eLoose or damaged quick-connect style hose ends\u003c\/li\u003e\n\u003cli\u003eCooling system pressure loss caused by hose deterioration\u003c\/li\u003e\n\u003cli\u003eIncorrect fitment from non-OE-shaped replacement hoses\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eBefore installation, verify the hose routing and connection points on the vehicle. Inspect the mating plastic fittings, radiator neck, and expansion tank ports for wear, cracks, or residue that could affect sealing. After installation, refill and bleed the cooling system according to BMW service procedures and check for leaks at operating temperature.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eRein Automotive positions this hose as an OE-quality replacement for European vehicles, with dimensions and connector design matched to the original assembly. CHE0866 is built to support factory-style fitment on the 2011 BMW 528i cooling system.\u003c\/p\u003e","brand":"Rein","offers":[{"title":"Default Title","offer_id":52918196371637,"sku":"DFBS-CHE0866","price":67.68,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/C8_CHE0866_Fro.jpg?v=1785566814","url":"https:\/\/www.partcatalog.com\/products\/rein-che0866-engine-coolant-hose-expansion-tank-to-radiator","provider":"PartCatalog","version":"1.0","type":"link"}