{"product_id":"rein-abv0252-engine-crankcase-breather-hose","title":"Rein ABV0252 Engine Crankcase Breather Hose","description":"\u003ch2\u003eOE-Quality Breather Hose for BMW Applications\u003c\/h2\u003e\u003cp\u003eRein ABV0252 is an engine crankcase breather hose built to match original equipment design specifications for select BMW models. It is a direct-fit replacement for the factory hose, with OE-style form, fit, and function for service on the crankcase ventilation system.\u003c\/p\u003e\u003cp\u003eCompatible with 2002-2005 BMW 745i, 2002-2005 BMW 745Li, 2004-2005 BMW 545i, 2004-2005 BMW 645Ci, and 2004-2006 BMW X5, this Rein breather hose supports clean crankcase ventilation on European vehicles that use application-specific hose routing. Part number ABV0252 is also a direct reference for BMW OE number 11617563476.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eMatches original equipment design specifications\u003c\/li\u003e\n\u003cli\u003eManufactured with high-quality materials\u003c\/li\u003e\n\u003cli\u003eDirect fit for easier installation\u003c\/li\u003e\n\u003cli\u003eResistant to heat, salt, road debris, oil, and other contaminants\u003c\/li\u003e\n\u003cli\u003eOE-quality replacement for European vehicle crankcase ventilation service\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eRein ABV0252 is an OE-quality engine crankcase breather hose engineered for BMW crankcase ventilation repair. It is built as a direct replacement for the original hose, with the same form, fit, and function expected from the factory part. For BMW 745i, BMW 745Li, BMW 545i, BMW 645Ci, and BMW X5 applications, this hose helps restore proper routing between crankcase ventilation components while maintaining the original design layout.\u003c\/p\u003e\u003cp\u003eThis part number, ABV0252, is intended for the specified valve cover applications noted in the fitment data, including vehicles for cylinders 1-4 and configurations that require replacement of the matching cylinders 5-8 breather hose ABV0147. Rein breather hoses are built for European vehicles where OE-style fitment and material durability matter during emission control and crankcase ventilation repairs.\u003c\/p\u003e\u003ch2\u003eWhat This Part Helps Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCracked or brittle breather hose material\u003c\/li\u003e\n\u003cli\u003eOil vapor leaks in the crankcase ventilation path\u003c\/li\u003e\n\u003cli\u003eImproper hose routing after hose failure\u003c\/li\u003e\n\u003cli\u003eVacuum-related drivability issues caused by damaged ventilation hoses\u003c\/li\u003e\n\u003cli\u003eContamination exposure from heat, oil, salt, and road debris\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify engine configuration and valve cover setup before installation. This hose is application-specific and must match the listed BMW fitment, including the cylinder-bank note shown for each vehicle. Inspect adjacent crankcase ventilation components, hose connections, and sealing surfaces before installing ABV0252 to confirm the full system is serviceable.\u003c\/p\u003e\u003cp\u003eFits 2002-2005 BMW 745i, N\/A; Fits 2002-2005 BMW 745Li, N\/A; Fits 2004-2005 BMW 545i, N\/A; Fits 2004-2005 BMW 645Ci, N\/A; Fits 2004-2006 BMW X5, N\/A.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eRein Automotive positions this breather hose as an OE-quality replacement built for European vehicles and manufactured to mirror the original part in form, fit, and function. ABV0252 includes a 24-month\/24,000-mile warranty.\u003c\/p\u003e","brand":"Rein","offers":[{"title":"Default Title","offer_id":52918183395509,"sku":"DFBS-ABV0252","price":66.3,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/C8_ABV0252_Fro.jpg?v=1785566623","url":"https:\/\/www.partcatalog.com\/products\/rein-abv0252-engine-crankcase-breather-hose","provider":"PartCatalog","version":"1.0","type":"link"}