{"product_id":"rein-chh0232-hvac-heater-hose-heater-to-engine","title":"Rein CHH0232 HVAC Heater Hose - Heater To Engine","description":"\u003ch2\u003eOE Heater Hose for BMW Cooling System Service\u003c\/h2\u003e\u003cp\u003eRein CHH0232 is an OE-quality heater hose for European vehicle cooling system repairs. It is built as a direct replacement for the original hose assembly, with the correct branch shape and thermoplastic quick-connect fittings for a clean service fit on BMW 540i and BMW M5 applications.\u003c\/p\u003e\u003cp\u003eCompatible With 1999-2003 BMW 540i, Heater To Engine, and 2000-2003 BMW M5, Heater To Engine. This Rein heater hose helps restore proper coolant flow between the heater circuit and engine while reducing the need for hose modification during service.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eDirect replacement heater hose for application-specific BMW fitment\u003c\/li\u003e\n\u003cli\u003eReduces installation time by matching OE hose routing and shape\u003c\/li\u003e\n\u003cli\u003eNo cutting, refitting, or adjusting the hose during installation\u003c\/li\u003e\n\u003cli\u003eHelps prevent leaks and repeat repairs from reused quick connectors and O-rings\u003c\/li\u003e\n\u003cli\u003eEPDM hose construction resists heat, salt, road debris, oil, and other contaminants\u003c\/li\u003e\n\u003cli\u003eSingle hose assembly in black and silver finish\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eRein CHH0232 is engineered for BMW heater circuit service where the hose runs from the heater to the engine. The hose follows OE dimensions and branch geometry, and the thermoplastic quick-connect design mirrors the original assembly for a more precise replacement. For BMW 540i and BMW M5 cooling system maintenance, this part number supports a straightforward repair without altering the hose to make it fit.\u003c\/p\u003e\u003cp\u003eThis part cross-references BMW 64218387521 for the same application. Search terms such as BMW 540i heater hose heater to engine, BMW M5 heater hose replacement, and Rein CHH0232 OE quality heater hose align with this direct-fit service part.\u003c\/p\u003e\u003ch2\u003eWhat This Part Helps Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCoolant leaks at aged heater hose connections\u003c\/li\u003e\n\u003cli\u003eCracked or heat-damaged original hose material\u003c\/li\u003e\n\u003cli\u003eRepeat failures caused by reused quick connectors or O-rings\u003c\/li\u003e\n\u003cli\u003ePoor fitment from non-OE-shaped replacement hoses\u003c\/li\u003e\n\u003cli\u003eService delays caused by hose trimming or refitting\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\u003cp\u003eVerify the vehicle application before installation and compare the original hose routing, connector style, and branch layout to the new assembly. Because CHH0232 is application-specific, it is designed to install without cutting or reshaping the hose. Inspect mating surfaces and replace worn seals as part of standard cooling system service.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eRein positions this heater hose as an OE-quality replacement for European vehicles, with construction and connector details matched to the original design. Part number CHH0232 is backed by a 24-month, 24,000-mile warranty.\u003c\/p\u003e","brand":"Rein","offers":[{"title":"Default Title","offer_id":52431278801077,"sku":"DFBS-CHH0232","price":24.23,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/C8_CHH0232_Fro.jpg?v=1777850539","url":"https:\/\/www.partcatalog.com\/products\/rein-chh0232-hvac-heater-hose-heater-to-engine","provider":"PartCatalog","version":"1.0","type":"link"}