{"product_id":"bmw-e81-e87-e88-1-series-radiator-coolant-hose-water-pipe-oem-replacement-cooling-system-hose-replaces-oe-11537572158-fits-n45-n46-models","title":"BMW E81\/E87\/E88 1 Series Radiator Coolant Hose \/ Water Pipe – OEM Replacement Cooling System Hose, Replaces OE 11537572158 - Fits N45 \u0026 N46 Models","description":"\u003cp class=\"p1\"\u003e\u003cstrong\u003eRestore proper coolant flow and cooling system reliability with this OEM replacement Radiator Coolant Hose \/ Water Pipe for select BMW 1 Series, 3 Series, and X3 models equipped with N45 and N46 engines. Designed to replace OE part number \u003cspan class=\"s1\"\u003e11537572158\u003c\/span\u003e, this hose plays an important role in routing coolant through the cooling system so the engine can maintain proper operating temperature under daily driving and changing load conditions.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eAs these vehicles age, factory coolant hoses can begin to harden, swell, weaken, or crack from repeated heat cycles and long-term coolant exposure. Once that happens, even a small weak point can quickly turn into a coolant leak, pressure loss, or overheating issue. Replacing aging coolant hoses before they fail is one of the smartest preventative maintenance steps you can take to protect the cooling system and avoid larger engine problems.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eThis replacement hose is designed to match the original fit and routing of the factory unit, making it a dependable solution whether you are fixing a leak, refreshing the cooling system, or replacing worn original hoses before they become a bigger issue. It helps restore confidence in the cooling system while keeping your BMW running at the proper temperature.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli class=\"p1\"\u003eDirect OEM Replacement: Designed to replace the factory radiator coolant hose \/ water pipe using OE part number 11537572158.\u003c\/li\u003e\n\u003cli class=\"p1\"\u003eRestores Proper Coolant Flow: Helps maintain stable coolant circulation and correct engine operating temperature.\u003c\/li\u003e\n\u003cli class=\"p1\"\u003eIdeal for Cooling System Refreshes: A smart replacement when servicing aging hoses, radiator components, thermostat work, or the full cooling system.\u003c\/li\u003e\n\u003cli class=\"p1\"\u003eHelps Prevent Leaks and Overheating: Replacing worn hoses can help reduce the risk of coolant loss and temperature-related engine problems.\u003c\/li\u003e\n\u003cli class=\"p1\"\u003eOEM-Style Fitment: Built to match the original hose routing and installation layout on compatible BMW applications.\u003c\/li\u003e\n\u003cli class=\"p1\"\u003eReliable Preventative Maintenance Upgrade: A simple but important replacement part for preserving long-term cooling system reliability.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003eFITMENT:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli class=\"p1\"\u003eBMW 1 Series – E81 3 Door Hatchback\u003c\/li\u003e\n\u003cli class=\"p1\"\u003eBMW 1 Series – E87 5 Door Hatchback\u003c\/li\u003e\n\u003cli class=\"p1\"\u003eBMW 1 Series – E88 Convertible\u003c\/li\u003e\n\u003cli class=\"p1\"\u003eBMW 3 Series – E46 Sedan, Coupe, Touring, Convertible\u003c\/li\u003e\n\u003cli class=\"p1\"\u003eBMW 3 Series – E90 Sedan\u003c\/li\u003e\n\u003cli class=\"p1\"\u003eBMW 3 Series – E91 Touring\u003c\/li\u003e\n\u003cli class=\"p1\"\u003eBMW X3 – E83 SUV\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p1\"\u003eCompatible with select BMW applications equipped with \u003cspan class=\"s1\"\u003e\u003cb\u003eN45\u003c\/b\u003e\u003c\/span\u003e and \u003cspan class=\"s1\"\u003e\u003cb\u003eN46\u003c\/b\u003e\u003c\/span\u003e engines using OE radiator coolant hose \/ water pipe \u003cspan class=\"s1\"\u003e\u003cb\u003e11537572158\u003c\/b\u003e\u003c\/span\u003e. If you’re unsure whether this hose fits your specific vehicle, please contact us with your VIN and we’ll be happy to verify compatibility before you order.\u003c\/p\u003e\n\u003cp class=\"p2\"\u003e\u003cb\u003eREPLACES OE PART NUMBER:\u003c\/b\u003e\u003cspan class=\"s2\"\u003e\u003cbr\u003e11537572158\u003c\/span\u003e\u003c\/p\u003e","brand":"BAVMODS","offers":[{"title":"Default Title","offer_id":47608589746366,"sku":null,"price":68.38,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0619\/8788\/1150\/files\/1_56ffe87f-4186-4115-8d92-4e67f103eacf.png?v=1780769818","url":"https:\/\/bavmods.com\/products\/bmw-e81-e87-e88-1-series-radiator-coolant-hose-water-pipe-oem-replacement-cooling-system-hose-replaces-oe-11537572158-fits-n45-n46-models","provider":"BAVMODS®","version":"1.0","type":"link"}