{"product_id":"bmw-740i-coolant-flange-switch-11118619408","title":"BMW G11\/G12 740i Coolant Hose Flange W\/ Temp Sensor By Rein 11118619408 (Upgraded)","description":"\u003cp\u003eRestore dependable cooling system performance with this BMW G11\/G12 740i coolant hose flange with temperature sensor by Rein. This upgraded coolant flange provides a reliable connection between the coolant hose and engine cooling system while accurately monitoring coolant temperature. It serves as a direct replacement for the original plastic component and is designed to support a straightforward installation using the factory mounting location and connection points.\u003c\/p\u003e\u003cp\u003eRein manufactures this replacement coolant hose flange from durable aluminum. The upgraded aluminum construction helps resist cracking, brittleness, and deformation caused by repeated heat cycles, pressure changes, and hydrolysis. These are common causes of failure in original plastic coolant flanges. Replacing a damaged or aging flange can help reduce the risk of coolant leaks, overheating, and unexpected cooling system repairs.\u003c\/p\u003e\u003cp\u003eThe integrated coolant temperature sensor switch helps maintain proper temperature feedback for the vehicle’s engine management and cooling systems. A secure seal supports leak-resistant operation when installed with the included seal and properly connected coolant hose. This part is a practical choice for BMW owners, technicians, and repair shops seeking an upgraded replacement for a leaking, cracked, or failed coolant hose flange.\u003c\/p\u003e\u003cp\u003eDesigned for the BMW 7 Series G11 and G12 chassis, this Rein coolant flange is engineered to match the application requirements of the original component. Always compare the part number and vehicle application before ordering. Professional installation is recommended, and the cooling system should be serviced only after the engine has cooled completely.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eDirect OE replacement for BMW G11\/G12 740i coolant hose flange applications.\u003c\/li\u003e\n\u003cli\u003eUpgraded aluminum construction provides improved resistance to cracking, brittleness, thermal cycling, and hydrolysis.\u003c\/li\u003e\n\u003cli\u003eIncludes an integrated coolant temperature sensor switch and sealing ring for convenient replacement.\u003c\/li\u003e\n\u003cli\u003eHelps reduce coolant leaks, overheating risks, replacement frequency, and long-term maintenance costs.\u003c\/li\u003e\n\u003cli\u003eManufacturer: Rein; BMW part number: 11 11 8 619 408; cross-reference: 13627580635.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Rein","offers":[{"title":"740i 2016-2019","offer_id":58562610692256,"sku":"11118619408R-KIT","price":98.0,"currency_code":"USD","in_stock":true},{"title":"740i xDrive 2017-2019","offer_id":58562610725024,"sku":"11118619408R-KIT","price":98.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0441\/8748\/4320\/files\/999_0a0c81c0-275f-4afe-ad5b-a355b62f58be.png?v=1741716581","url":"https:\/\/oembimmerparts.com\/products\/bmw-740i-coolant-flange-switch-11118619408","provider":"OEMBimmerParts","version":"1.0","type":"link"}