{"product_id":"thermal-coolant-reservoir-tank-with-cap-fit-bmw-325i-x3-x5-01-06-e46-17117573781","title":"Thermal Coolant Reservoir Tank With Cap Fit BMW 325i X3 X5 01-06 E46 17117573781","description":"\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eAUTO PARTS PROFESSIONAL SERIES\u003c\/p\u003e\n\u003cp\u003eUS Stock\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch1\u003eCoolant Expansion Tank\u003c\/h1\u003e\n\u003cp\u003eDirect replacement cooling system component for stable thermal regulation.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2\u003eVehicle Compatibility\u003c\/h2\u003e\n\u003cp\u003eFits select BMW 3 Series \u0026amp; X Series models. Please verify your vehicle information and part number before purchase.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e BMW 3 Series (E46 Body) — 1999-2006\u003c\/p\u003e\n\u003cp\u003e323Ci, 323i, 325Ci, 325i, 325xi, 328Ci, 328i, 330Ci, 330i, 330xi (Includes Base, M, and Convertible trims)\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eBMW X3 \u0026amp; X5 — 2001-2010\u003c\/p\u003e\n\u003cp\u003eX3 (2.5i, 3.0i, 3.0si, xDrive28i, xDrive30i), X5 (3.0i)\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e Fitment Note\u003c\/p\u003e\n\u003cp\u003e\n Compatibility is for reference only. Please ensure your current part matches the factory replacement part number or its direct aftermarket equivalent. Note: Supplied without cap.\n \u003cbr\u003e\n \u003cbr\u003e\n Not sure if it fits? Send us an eBay message with your vehicle's\n \u003cstrong\u003eVIN (Vehicle Identification Number)\u003c\/strong\u003e\n or Year\/Make\/Model, and our team will gladly verify compatibility for you!\n\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2\u003e Reference Information\u003c\/h2\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eReplacement Part Number:\u003c\/p\u003e\n\u003cp\u003e17117573781\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eInterchange \/ Partslink Number:\u003c\/p\u003e\n\u003cp\u003e17137787039, 17117573781, BM3014102\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2\u003e Product Overview\u003c\/h2\u003e\n\u003cp\u003eThis coolant expansion tank is designed to replace aged, cracked, or leaking reservoirs in specified BMW vehicles. Integrated directly into the engine cooling circuit, it holds excess coolant and maintains proper system pressure as engine temperatures fluctuate.\u003c\/p\u003e\n\u003cp\u003eReplacing a compromised coolant reservoir prevents overheating risks, stops coolant loss, and restores reliable thermal control for your engine.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2\u003e Key Features\u003c\/h2\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e1. Reliable Performance\u003c\/p\u003e\n\u003cp\u003eMaintains stable coolant pressure and prevents air pockets in the cooling system.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e2. Premium Material Construction\u003c\/p\u003e\n\u003cp\u003eMolded from high-strength thermal-resistant plastic to withstand constant engine heat cycles.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e3. Direct Replacement Design\u003c\/p\u003e\n\u003cp\u003eEngineered with exact factory-style ports and mounting points for a seamless fit.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e4. Extended Durability\u003c\/p\u003e\n\u003cp\u003eResistant to coolant chemical corrosion and stress cracking for long-term reliability.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003ePart Type\u003c\/p\u003e\n\u003cp\u003eCoolant Expansion Tank\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eCondition\u003c\/p\u003e\n\u003cp\u003eBrand New\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eFitment Type\u003c\/p\u003e\n\u003cp\u003eDirect Fit\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eCap Included\u003c\/p\u003e\n\u003cp\u003eWith Cap\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2\u003e What's Included\u003c\/h2\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e 1 × Coolant Expansion Tank\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2\u003e Installation Notes\u003c\/h2\u003e\n\u003cul\u003e\n \u003cli\u003ePlease verify vehicle compatibility and compare your old part number prior to installation.\u003c\/li\u003e\n \u003cli\u003eAllow the engine to cool completely before servicing the cooling system.\u003c\/li\u003e\n \u003cli\u003eProfessional installation is highly recommended to ensure proper system bleeding and operation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2\u003e Need Assistance?\u003c\/h2\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eIf you receive a damaged item, are missing accessories, or have any installation questions, please contact us via eBay Message. Our support team is committed to assisting you and will respond within 24 hours to resolve any issues.\u003c\/p\u003e","brand":"10XHealthSystem","offers":[{"title":"Y","offer_id":46945078313157,"sku":"CJQT316556001AZ","price":55.8,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0764\/6035\/9877\/files\/8c267199-ef84-4393-be4e-368364318941.jpg?v=1789626200","url":"https:\/\/companionauto.com\/products\/thermal-coolant-reservoir-tank-with-cap-fit-bmw-325i-x3-x5-01-06-e46-17117573781","provider":" Companion for Life Three car","version":"1.0","type":"link"}