{"product_id":"bmw-f30-340i-coolant-heater-hose-17128673993","title":"BMW F30 330i \u0026 340i Coolant Hose-Heater Hose to Transmission Oil Cooler OEM 17128673993","description":"\u003cp\u003eThis BMW F30 340i coolant hose (heater hose to transmission oil cooler) helps support proper cooling performance across critical engine and transmission systems. It connects the heater hose circuit to the transmission oil cooler, helping maintain stable fluid temperatures for smoother operation.\u003c\/p\u003e\n\u003cp\u003eOver time, aging rubber, heat exposure, and pressure cycles can cause coolant hose deterioration. When the coolant hose becomes cracked, swollen, or brittle, it may leak or lose flow efficiency. Replacing a failing coolant hose can help you prevent coolant loss, reduce overheating risk, and restore reliable heat management.\u003c\/p\u003e\n\u003cp\u003eInstalling the correct OEM-style part for your BMW F30 340i supports a proper fit and consistent routing. That matters because hose placement affects seal integrity and helps protect nearby components from abrasion or stress points. If you notice dampness around hose connections, performance changes during warm-up, or warning lights related to cooling, this transmission oil cooler hose connection is a smart repair step.\u003c\/p\u003e\n\u003cp\u003eKey benefits of replacing your leaking or worn BMW heater-to-transmission coolant hose include:\u003c\/p\u003e\n\u003col\u003e\n\u003cli data-list=\"bullet\"\u003e\n\u003cspan class=\"ql-ui\"\u003e\u003c\/span\u003eImproves coolant system reliability by restoring secure sealing between the heater hose and transmission oil cooler.\u003c\/li\u003e\n\u003cli data-list=\"bullet\"\u003e\n\u003cspan class=\"ql-ui\"\u003e\u003c\/span\u003eHelps prevent coolant leaks that can lead to low coolant levels and increased overheating risk.\u003c\/li\u003e\n\u003cli data-list=\"bullet\"\u003e\n\u003cspan class=\"ql-ui\"\u003e\u003c\/span\u003eSupports consistent temperature control to promote smooth drivetrain operation.\u003c\/li\u003e\n\u003cli data-list=\"bullet\"\u003e\n\u003cspan class=\"ql-ui\"\u003e\u003c\/span\u003eReplaces brittle or damaged hose materials that may fail under heat and pressure.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003eThis coolant hose\/heater hose connection is an OEM replacement option referenced as \u003cstrong\u003e17128673993\u003c\/strong\u003e. If you drive a BMW F30 340i, this is the type of part you want when you’re troubleshooting cooling issues, addressing fluid leaks, or maintaining long-term system performance.\u003c\/p\u003e","brand":"BMW","offers":[{"title":"330i 2017-2018","offer_id":56907750506656,"sku":"17128673993","price":89.98,"currency_code":"USD","in_stock":true},{"title":"330i xDrive 2017-2019","offer_id":56907750539424,"sku":"17128673993","price":89.98,"currency_code":"USD","in_stock":true},{"title":"330i GT xDrive 2017-2019","offer_id":56907750572192,"sku":"17128673993","price":89.98,"currency_code":"USD","in_stock":true},{"title":"340i 2016-2018","offer_id":56907740676256,"sku":"17128673993","price":89.98,"currency_code":"USD","in_stock":true},{"title":"340i xDrive 2016-2018","offer_id":56907740709024,"sku":"17128673993","price":89.98,"currency_code":"USD","in_stock":true},{"title":"340i GT xDrive 2017-2019","offer_id":56907740741792,"sku":"17128673993","price":89.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0441\/8748\/4320\/files\/Screenshot2026-04-08at1.39.21PM.png?v=1775673590","url":"https:\/\/oembimmerparts.com\/products\/bmw-f30-340i-coolant-heater-hose-17128673993","provider":"OEMBimmerParts","version":"1.0","type":"link"}