{"product_id":"front-coolant-reservoir-fits-bmw-535-640-740-activehybrid","title":"Front Coolant Reservoir Fits BMW 535 640 740 ActiveHybrid","description":"\u003ch1 data-path-to-node=\"0\" style=\"text-align: center;\"\u003eFront Engine Coolant Expansion Tank\u003c\/h1\u003e\u003ch2 data-path-to-node=\"1\" style=\"text-align: center;\"\u003eHigh-Pressure Thermal Management for BMW 5, 6, and 7 Series\u003c\/h2\u003e\u003cp data-path-to-node=\"2\"\u003eMaintain the integrity of your BMW’s cooling system with this \u003cb data-path-to-node=\"2\" data-index-in-node=\"62\"\u003ePremium Front Coolant Expansion Tank\u003c\/b\u003e. Designed for the high-pressure demands of turbocharged and hybrid powertrains, this reservoir manages coolant expansion and air separation. Over time, the constant thermal cycling of the engine bay causes factory plastic tanks to develop hairline cracks or seam failures. This replacement unit is engineered to withstand these stresses, preventing sudden coolant loss and protecting your engine from catastrophic overheating.\u003c\/p\u003e\u003cp data-path-to-node=\"3\"\u003eThis assembly is a comprehensive solution, arriving fully pressurized and equipped with a new spring-loaded twist cap and an integrated level sensor. Manufactured from high-grade, heat-resistant plastic, it serves as a direct-fit replacement for the front cooling circuit, ensuring your vehicle stays within its optimal operating temperature range.\u003c\/p\u003e\u003chr data-path-to-node=\"4\"\u003e\u003ch2 data-path-to-node=\"5\"\u003eFitment Verification and Vehicle Applications\u003c\/h2\u003e\u003cp data-path-to-node=\"6\"\u003eThis expansion tank is designed for the \u003cb data-path-to-node=\"6\" data-index-in-node=\"40\"\u003eFront\u003c\/b\u003e position on the following models:\u003c\/p\u003e\u003cul data-path-to-node=\"7\"\u003e\n\u003cli\u003e\u003cp data-path-to-node=\"7,0,0\"\u003e\u003cb data-path-to-node=\"7,0,0\" data-index-in-node=\"0\"\u003eBMW 5 Series (535i, 535d, GT, xDrive):\u003c\/b\u003e 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017.\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp data-path-to-node=\"7,1,0\"\u003e\u003cb data-path-to-node=\"7,1,0\" data-index-in-node=\"0\"\u003eBMW 6 Series (640i, Gran Coupe, xDrive, Gran Turismo):\u003c\/b\u003e 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019.\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp data-path-to-node=\"7,2,0\"\u003e\u003cb data-path-to-node=\"7,2,0\" data-index-in-node=\"0\"\u003eBMW 7 Series (740i, 740Li, 740Ld, xDrive):\u003c\/b\u003e 2011, 2012, 2013, 2014, 2015.\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp data-path-to-node=\"7,3,0\"\u003e\u003cb data-path-to-node=\"7,3,0\" data-index-in-node=\"0\"\u003eBMW ActiveHybrid 5:\u003c\/b\u003e 2012, 2013, 2014, 2015, 2016.\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp data-path-to-node=\"7,4,0\"\u003e\u003cb data-path-to-node=\"7,4,0\" data-index-in-node=\"0\"\u003eBMW ActiveHybrid 7:\u003c\/b\u003e 2013, 2014, 2015.\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp data-path-to-node=\"8\"\u003e\u003cb data-path-to-node=\"8\" data-index-in-node=\"0\"\u003eFitment Note:\u003c\/b\u003e This is the primary \u003cb data-path-to-node=\"8\" data-index-in-node=\"34\"\u003eFront\u003c\/b\u003e reservoir. Some models, particularly Hybrids, may utilize secondary tanks for intercooler or battery cooling circuits. Please verify your original part number or tank shape before installation.\u003c\/p\u003e\u003chr data-path-to-node=\"9\"\u003e\u003ch2 data-path-to-node=\"10\"\u003eTechnical Specifications and Attributes\u003c\/h2\u003e\u003cul data-path-to-node=\"11\"\u003e\n\u003cli\u003e\u003cp data-path-to-node=\"11,0,0\"\u003e\u003cb data-path-to-node=\"11,0,0\" data-index-in-node=\"0\"\u003ePosition:\u003c\/b\u003e Front.\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp data-path-to-node=\"11,1,0\"\u003e\u003cb data-path-to-node=\"11,1,0\" data-index-in-node=\"0\"\u003eMaterial:\u003c\/b\u003e High-Strength Reinforced Plastic.\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp data-path-to-node=\"11,2,0\"\u003e\u003cb data-path-to-node=\"11,2,0\" data-index-in-node=\"0\"\u003eCap Included:\u003c\/b\u003e Yes (Spring Loaded Twist Type).\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp data-path-to-node=\"11,3,0\"\u003e\u003cb data-path-to-node=\"11,3,0\" data-index-in-node=\"0\"\u003eMaximum Pressure Rating:\u003c\/b\u003e 20 PSI.\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp data-path-to-node=\"11,4,0\"\u003e\u003cb data-path-to-node=\"11,4,0\" data-index-in-node=\"0\"\u003eLevel Sensor Included:\u003c\/b\u003e Yes.\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp data-path-to-node=\"11,5,0\"\u003e\u003cb data-path-to-node=\"11,5,0\" data-index-in-node=\"0\"\u003ePressurized:\u003c\/b\u003e Yes.\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp data-path-to-node=\"11,6,0\"\u003e\u003cb data-path-to-node=\"11,6,0\" data-index-in-node=\"0\"\u003eDimensions:\u003c\/b\u003e 11.5 inches (Height) x 7.5 inches (Length).\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp data-path-to-node=\"11,7,0\"\u003e\u003cb data-path-to-node=\"11,7,0\" data-index-in-node=\"0\"\u003eMounting:\u003c\/b\u003e 6 Mounting Hole Configuration (Hardware not included).\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp data-path-to-node=\"11,8,0\"\u003e\u003cb data-path-to-node=\"11,8,0\" data-index-in-node=\"0\"\u003eColor\/Shape:\u003c\/b\u003e Black \/ Irregular.\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr data-path-to-node=\"12\"\u003e\u003ch2 data-path-to-node=\"13\"\u003eWhat’s in the Box\u003c\/h2\u003e\u003cul data-path-to-node=\"14\"\u003e\n\u003cli\u003e\u003cp data-path-to-node=\"14,0,0\"\u003e(1) Pressurized Coolant Expansion Tank\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp data-path-to-node=\"14,1,0\"\u003e(1) High-Pressure Radiator Cap\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp data-path-to-node=\"14,2,0\"\u003e(1) Integrated Coolant Level Sensor\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr data-path-to-node=\"15\"\u003e\u003ch2 data-path-to-node=\"16\"\u003eIndustry Cross-Reference Numbers\u003c\/h2\u003e\u003cul data-path-to-node=\"17\"\u003e\n\u003cli\u003e\u003cp data-path-to-node=\"17,0,0\"\u003e\u003cb data-path-to-node=\"17,0,0\" data-index-in-node=\"0\"\u003eBMW:\u003c\/b\u003e 17137647283, 17117639020, 17137553919, 17137601949\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp data-path-to-node=\"17,1,0\"\u003e\u003cb data-path-to-node=\"17,1,0\" data-index-in-node=\"0\"\u003eDorman - OE Solutions:\u003c\/b\u003e 603-830\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp data-path-to-node=\"17,2,0\"\u003e\u003cb data-path-to-node=\"17,2,0\" data-index-in-node=\"0\"\u003eRein:\u003c\/b\u003e EPT0151, EPP0151\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp data-path-to-node=\"17,3,0\"\u003e\u003cb data-path-to-node=\"17,3,0\" data-index-in-node=\"0\"\u003eURO Parts:\u003c\/b\u003e URO011124\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr data-path-to-node=\"18\"\u003e\u003ch2 data-path-to-node=\"19\"\u003eInstallation and Technical Tips\u003c\/h2\u003e\u003cul data-path-to-node=\"20\"\u003e\n\u003cli\u003e\u003cp data-path-to-node=\"20,0,0\"\u003e\u003cb data-path-to-node=\"20,0,0\" data-index-in-node=\"0\"\u003eSafety First:\u003c\/b\u003e Always wait for the engine to cool completely before opening the cooling system. Pressurized coolant can reach temperatures well over 200°F and cause severe burns if the cap is removed prematurely.\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp data-path-to-node=\"20,1,0\"\u003e\u003cb data-path-to-node=\"20,1,0\" data-index-in-node=\"0\"\u003eSystem Bleeding:\u003c\/b\u003e BMW vehicles with electric water pumps require a specific \"Bleed Procedure\" to remove air pockets from the system. This typically involves a sequence of holding the accelerator pedal with the ignition on (engine off) for 10-12 minutes. Failure to bleed the system can lead to localized hot spots and engine damage.\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp data-path-to-node=\"20,2,0\"\u003e\u003cb data-path-to-node=\"20,2,0\" data-index-in-node=\"0\"\u003eHose Connection:\u003c\/b\u003e Inspect the O-rings inside your coolant hoses before attaching them to the new tank. If the O-rings are flattened or brittle, replace them or the hose assembly to ensure a leak-free \"quick-connect\" seal.\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp data-path-to-node=\"20,3,0\"\u003e\u003cb data-path-to-node=\"20,3,0\" data-index-in-node=\"0\"\u003eFluid Specification:\u003c\/b\u003e Use only BMW-approved phosphate-free coolant mixed 50\/50 with distilled water. Using tap water or incorrect coolant types can cause mineral buildup and corrosion within the delicate aluminum cooling passages of your engine.\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"AM Autoparts","offers":[{"title":"Default Title","offer_id":53637424251248,"sku":"EBY-AM-134215105126","price":131.52,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/6902\/3088\/files\/57_ca59608b-cce0-4bd8-89b1-3c243bdf940d.jpg?v=1776360291","url":"https:\/\/www.autofusionparts.com\/products\/front-coolant-reservoir-fits-bmw-535-640-740-activehybrid","provider":"Auto Fusion Parts ","version":"1.0","type":"link"}