{"product_id":"rein-che0925-engine-coolant-hose-expansion-tank-upper-to-cylinder-heads","title":"Rein CHE0925 Engine Coolant Hose - Expansion Tank (Upper) To Cylinder Heads","description":"\u003ch2\u003eOE-Style Coolant Hose for BMW Cooling Systems\u003c\/h2\u003e\u003cp\u003eThe Rein CHE0925 engine coolant hose is an OE-quality replacement for select BMW cooling system applications. It is built to match the original hose layout, including the branch sizing and thermoplastic quick-connect fittings used on the factory part.\u003c\/p\u003e\u003cp\u003eFor BMW 230i, 330i, and 430i models, this coolant hose provides a direct replacement for the upper expansion tank to cylinder heads routing. The black hose construction and OE-style dimensions support a clean factory-style repair on European vehicles.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eOE-quality engine coolant hose for European vehicle cooling systems\u003c\/li\u003e\n\u003cli\u003eDirect replacement for the original hose assembly\u003c\/li\u003e\n\u003cli\u003eBlack coolant hose finish\u003c\/li\u003e\n\u003cli\u003eHose end 1 outside diameter: 23.88 mm\u003c\/li\u003e\n\u003cli\u003eHose end 2 outside diameter: 23.88 mm\u003c\/li\u003e\n\u003cli\u003eHose end 1 inside diameter: 10.67 mm\u003c\/li\u003e\n\u003cli\u003eHose end 2 inside diameter: 10.67 mm\u003c\/li\u003e\n\u003cli\u003eThermoplastic quick-connect fittings matched to the factory design\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eRein CHE0925 is engineered as an OE-style engine coolant hose for BMW cooling system service. It follows the original hose shape and branch configuration so it installs in the same routing as the factory part, making it a practical replacement for the expansion tank (upper) to cylinder heads connection. This part cross-references URO 17129845173 for the same application.\u003c\/p\u003e\u003cp\u003eCompatible With BMW 230i, BMW 330i, BMW 430i, and related xDrive and Gran Coupe applications from 2017-2021, this hose is a direct-fit solution for maintaining proper coolant flow in the upper cooling circuit. The Rein CHE0925 part number is a useful reference when sourcing the correct replacement for BMW cooling system repair.\u003c\/p\u003e\u003ch2\u003eWhat This Part Helps Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCoolant leaks at the upper hose connection\u003c\/li\u003e\n\u003cli\u003eCracked or brittle factory hose material\u003c\/li\u003e\n\u003cli\u003eDamaged quick-connect fittings\u003c\/li\u003e\n\u003cli\u003eImproper hose routing after cooling system service\u003c\/li\u003e\n\u003cli\u003eLoss of coolant circulation through the expansion tank to cylinder heads line\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify hose routing, connector style, and end diameters before installation. Inspect mating ports, retaining clips, and adjacent cooling components for wear or residue before fitting the new hose. Confirm the vehicle application by model year and position: Fits 2017-2021 BMW 230i, Expansion Tank (Upper) To Cylinder Heads; Fits 2017-2021 BMW 230i xDrive, Expansion Tank (Upper) To Cylinder Heads; Fits 2017-2020 BMW 430i, Expansion Tank (Upper) To Cylinder Heads; Fits 2017-2020 BMW 430i Gran Coupe, Expansion Tank (Upper) To Cylinder Heads; Fits 2017-2020 BMW 430i xDrive, Expansion Tank (Upper) To Cylinder Heads; Fits 2017-2020 BMW 430i xDrive Gran Coupe, Expansion Tank (Upper) To Cylinder Heads; Fits 2017-2019 BMW 330i GT xDrive, Expansion Tank (Upper) To Cylinder Heads; Fits 2017-2019 BMW 330i xDrive, Expansion Tank (Upper) To Cylinder Heads; Fits 2017-2018 BMW 330i, Expansion Tank (Upper) To Cylinder Heads.\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 details matched to the original manufacturer design for consistent fitment and serviceability.\u003c\/p\u003e","brand":"Rein","offers":[{"title":"Default Title","offer_id":52431278735541,"sku":"DFBS-CHE0925","price":40.16,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/C8_CHE0925_Fro.jpg?v=1777850526","url":"https:\/\/www.partcatalog.com\/products\/rein-che0925-engine-coolant-hose-expansion-tank-upper-to-cylinder-heads","provider":"PartCatalog","version":"1.0","type":"link"}