{"product_id":"bmw-f30-330i-coolant-hose-17129845173","title":"BMW F30 330i Coolant Hose-Cylinder Head to Expansion Tank OEM 17129845173","description":"\u003cp\u003eThis BMW F30 330i coolant hose connects the cylinder head to the expansion tank. It uses OEM part number \u003cstrong\u003e17129845173\u003c\/strong\u003e for reliable fit and correct cooling system function. If your current hose is leaking, swollen, brittle, or cracked, replace it to protect engine temperature control.\u003c\/p\u003e\n\u003cp\u003eEngine coolant hoses fail in predictable ways, and this connection point is a common area for leaks. When coolant escapes, the engine can run low on fluid. That reduces heat transfer and raises the risk of overheating. Short trips, hot weather, and normal vibration can all speed up wear and cause seepage around hose ends or clamps.\u003c\/p\u003e\n\u003cp\u003eReplacing a worn coolant hose also helps you avoid the expensive damage that follows overheating. Low coolant levels can lead to warped components, blown gaskets, and accelerated wear on the cooling system. Even small drips can turn into bigger problems over time, especially if you continue driving without addressing the source.\u003c\/p\u003e\n\u003cp\u003eThis OEM-style cylinder head to expansion tank hose helps restore proper coolant flow. It supports stable coolant pressure and circulation, which helps the engine maintain safe operating temperatures. You get a durable hose designed for the BMW cooling circuit, so you can get back to confident daily driving.\u003c\/p\u003e\n\u003col\u003e\n\u003cli data-list=\"bullet\"\u003e\n\u003cspan class=\"ql-ui\"\u003e\u003c\/span\u003e\u003cstrong\u003eRestores coolant circulation:\u003c\/strong\u003e Helps maintain steady engine temperature by returning proper flow between the cylinder head and expansion tank.\u003c\/li\u003e\n\u003cli data-list=\"bullet\"\u003e\n\u003cspan class=\"ql-ui\"\u003e\u003c\/span\u003e\u003cstrong\u003ePrevents coolant loss and overheating:\u003c\/strong\u003e Fixes common leaks from cracked or brittle hose sections before temperature problems start.\u003c\/li\u003e\n\u003cli data-list=\"bullet\"\u003e\n\u003cspan class=\"ql-ui\"\u003e\u003c\/span\u003e\u003cstrong\u003eSupports OEM-quality fit:\u003c\/strong\u003e Designed to match the BMW F30 330i cooling system layout for straightforward replacement.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003eChoose this BMW F30 330i coolant hose replacement when you notice moisture around the cylinder head area, a drop in coolant level, or a brittle hose that looks ready to split. A simple hose replacement can save your engine from more severe cooling system repairs.\u003c\/p\u003e\n\u003cp\u003eCross Reference: 17129845173, 17128677244, 17128740118, 17125A05950\u003c\/p\u003e","brand":"Rein","offers":[{"title":"330i 2017-2018","offer_id":56907755061408,"sku":"17129845173","price":39.0,"currency_code":"USD","in_stock":true},{"title":"330i xDrive 2017-2019","offer_id":56907755094176,"sku":"17129845173","price":39.0,"currency_code":"USD","in_stock":true},{"title":"330i GT xDrive 2017-2019","offer_id":56907755126944,"sku":"17129845173","price":39.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0441\/8748\/4320\/files\/C8_CHE0925_Bot.jpg?v=1775672123","url":"https:\/\/oembimmerparts.com\/products\/bmw-f30-330i-coolant-hose-17129845173","provider":"OEMBimmerParts","version":"1.0","type":"link"}