{"product_id":"ousimy-thermostat-housing-bmw-b58-30l","title":"OUSIMY Thermostat Housing for BMW 340i 440i 540i 740i M240i X3 X4 3.0L B58 2016-2021 | OE 11537642854","description":"\u003cdiv\u003eOE Part Number: 11537642854\u003cbr\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eAttribute\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eCondition\u003c\/td\u003e\n\u003ctd\u003eNew: A brand-new, unused, unopened, undamaged item in its original packaging (where packaging is applicable). Packaging should be the same as what is found in a retail store, unless the item was packaged by the manufacturer in non-retail packaging, such as an unprinted box or plastic bag. \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eOUSIMY\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eType\u003c\/td\u003e\n\u003ctd\u003eThermostat\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003ePlastic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eItems Included\u003c\/td\u003e\n\u003ctd\u003eSensor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer Part Number\u003c\/td\u003e\n\u003ctd\u003e11537642854\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOE\/OEM Part Number\u003c\/td\u003e\n\u003ctd\u003e11 53 7 642 854, 11537642854\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFeatures\u003c\/td\u003e\n\u003ctd\u003eDurability Tested\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInterchange Part Number\u003c\/td\u003e\n\u003ctd\u003e7 642 854, 7642854, 11 53 7 642 854, 11537642854\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSuperseded Part Number\u003c\/td\u003e\n\u003ctd\u003e7 642 854, 7642854, 11 53 7 642 854, 11537642854\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer Warranty\u003c\/td\u003e\n\u003ctd\u003e2 Year\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible Make\u003c\/td\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible Model\u003c\/td\u003e\n\u003ctd\u003e2017-2019 BMW 740i xDrive 3.0L, 2016-2018 BMW 340i xDrive 3.0L, 2017-2021 BMW M240i xDrive 3.0L, 2017-2020 BMW 540i xDrive 3.0L, 2017-2020 BMW 440i xDrive 3.0L, 2018-2019 BMW X3 3.0L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Type\u003c\/td\u003e\n\u003ctd\u003eEngine Coolant Thermostat Kit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible Year\u003c\/td\u003e\n\u003ctd\u003e2016, 2017, 2018, 2019, 2020, 2021\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUPC\u003c\/td\u003e\n\u003ctd\u003eDoes not apply\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003eThis premium thermostat housing assembly is engineered as a direct OEM replacement for BMW B58 3.0L inline-six engine models, including the 340i, 440i, 540i, 740i, M240i, X3, and X4. It precisely regulates engine coolant temperature to maintain optimal operating temperature and stabilize the vehicle’s entire cooling system during daily driving and heavy-load operation.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003eManufactured with high-temperature reinforced thermoplastic and integrated precision sealing structure, this thermostat housing features factory-matched mounting points, sensor ports, and coolant passage dimensions. Installed on the engine cooling system front assembly, it perfectly fits BMW B58 3.0L vehicles from 2016 to 2021 and requires no modifications during replacement.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003eOriginal factory thermostat housings commonly suffer from thermal aging, plastic warpage, and seal degradation after long-term high-temperature engine cycling. Stock units are prone to microscopic cracks and coolant weeping, which leads to unstable temperature control and short service intervals. This upgraded housing improves heat resistance and structural rigidity compared to factory components, effectively resisting thermal deformation and coolant corrosion. The precise molding design ensures perfect surface fitting and consistent thermal regulation performance, supporting fast bolt-on replacement for both professional repair shops and DIY owners.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003eThis replacement thermostat housing resolves well-known B58 engine factory issues, including gradual coolant leaks, unexplained low coolant levels, slow engine warm-up, fluctuating temperature gauges, and repeated thermostat replacement caused by aging factory housing failure.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003eIt fixes common OBD-II trouble codes triggered by abnormal cooling system operation, including coolant temperature deviation codes and engine thermal management system malfunction codes, eliminating false check engine lights caused by deteriorated factory thermostat housing.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003eFree standard shipping applies to all orders. Items ship from overseas local warehouses with stable processing and fast transit speed, allowing you to restore normal cooling system performance with minimal vehicle downtime.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003eEvery thermostat housing undergoes strict factory pressure and temperature testing before shipment. We provide reliable quality warranty against manufacturing defects. Full OEM-spec structure ensures excellent DIY installation compatibility, enabling most vehicle owners to complete replacement with standard hand tools.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eFull Compatible Vehicle List\u003c\/strong\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\nBMW M240i 2016-2021\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\nBMW 340i 2016-2021\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\nBMW 440i 2016-2021\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\nBMW 540i 2016-2021\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\nBMW 740i 2016-2021\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\nBMW X3 3.0L B58 2016-2021\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\nBMW X4 3.0L B58 2016-2021\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0982\/5848\/5553\/files\/642d4c2108d37f259f3422abf4d6928b.png?v=1784095337\" alt=\"\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0982\/5848\/5553\/files\/4530d604bd4d807c1a442e1bcb2c708d.png?v=1784095344\" alt=\"\"\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"OUSIMY SHOP","offers":[{"title":"Default Title","offer_id":55270318801201,"sku":"QMJWQ004","price":99.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0982\/5848\/5553\/files\/33e9da64df7570274a3d8c79332eed61.jpg?v=1784096021","url":"https:\/\/ousimy.com\/products\/ousimy-thermostat-housing-bmw-b58-30l","provider":"OUSIMY","version":"1.0","type":"link"}