{"product_id":"rein-che0870-engine-coolant-hose-expansion-tank-upper-to-radiator","title":"Rein CHE0870 Engine Coolant Hose - Expansion Tank (Upper) To Radiator","description":"\u003ch2\u003eOE-Style Coolant Hose for BMW Cooling Systems\u003c\/h2\u003e\u003cp\u003eRein CHE0870 is an engine coolant hose built for European cooling-system service, with OE-quality construction and direct-replacement dimensions. It is shaped to match the original hose routing for BMW applications, including the expansion tank (upper) to radiator connection.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eDirect replacement coolant hose for BMW cooling system service\u003c\/li\u003e\n\u003cli\u003eBlack hose finish with OE-style branch sizing and formed shape\u003c\/li\u003e\n\u003cli\u003eHose end 1 outside diameter: 14.05 mm; inside diameter: 7.75 mm\u003c\/li\u003e\n\u003cli\u003eHose end 2 outside diameter: 12.50 mm; inside diameter: 7.14 mm\u003c\/li\u003e\n\u003cli\u003eBuilt to match the original hose and hose assembly layout\u003c\/li\u003e\n\u003cli\u003eRein CHE0870 cross-references BMW 17111427156 for the same application\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFitment Details\u003c\/h2\u003e\u003cp\u003eCompatible With BMW cooling-system applications in the expansion tank (upper) to radiator position. Fits 2001-2003 BMW 525i, Expansion Tank (Upper) To Radiator; Fits 2001-2003 BMW 530i, Expansion Tank (Upper) To Radiator; Fits 1997-2003 BMW 540i, Expansion Tank (Upper) To Radiator; Fits 2003 BMW Z8, Expansion Tank (Upper) To Radiator; Fits 1997-2001 BMW 740i, Expansion Tank (Upper) To Radiator; Fits 1996-2001 BMW 740iL, Expansion Tank (Upper) To Radiator; Fits 1997-2000 BMW 528i, Expansion Tank (Upper) To Radiator.\u003c\/p\u003e\u003ch2\u003eWhat This Hose Helps Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCracked or brittle upper coolant hose material\u003c\/li\u003e\n\u003cli\u003eCoolant seepage at the expansion tank-to-radiator connection\u003c\/li\u003e\n\u003cli\u003eSoftening, swelling, or collapse in an aging hose\u003c\/li\u003e\n\u003cli\u003eIncorrect fit from a non-OE-shaped replacement hose\u003c\/li\u003e\n\u003cli\u003eCooling-system service on BMW 525i, 530i, 540i, 740i, 740iL, 528i, and Z8 models\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eConfirm the hose routing and end diameters before installation, especially on BMW 525i, 530i, and 540i cooling systems. Inspect adjoining plastic fittings, clamps, and radiator necks for wear before reassembly, and replace any damaged mating parts to maintain a secure seal. Verify the hose is seated fully at both ends and check for leaks after the engine reaches operating temperature.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eRein Automotive supplies OE-quality replacement hoses for European vehicles, with dimensions and connector details matched to the original design. CHE0870 is engineered as a direct-fit replacement for the listed BMW applications.\u003c\/p\u003e","brand":"Rein","offers":[{"title":"Default Title","offer_id":52431278407861,"sku":"DFBS-CHE0870","price":13.12,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/C8_CHE0870_Fro.jpg?v=1777850457","url":"https:\/\/www.partcatalog.com\/products\/rein-che0870-engine-coolant-hose-expansion-tank-upper-to-radiator","provider":"PartCatalog","version":"1.0","type":"link"}