{"product_id":"a-premium-engine-coolant-overflow-recovery-reservoir-with-sensor-30-psi-cap-fit-for-bmw-e46-e83-e53-2-2-3-0l","title":"A-Premium Engine Coolant Overflow Recovery Reservoir with Sensor \u0026 30 PSI Cap — Fit for BMW E46\/E83\/E53 2.2–3.0L","description":"\u003cp\u003e\u003cstrong\u003eA-Premium’s pressurized engine coolant overflow recovery reservoir with sensor and spring‑loaded cap is a direct-fit replacement for select BMW E46, X3 and X5 models, restoring proper coolant recovery and system pressure control.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis replacement coolant tank is molded from heat‑resistant PA plastic, includes the electronic level sensor, and arrives with the matching 30 PSI spring‑loaded cap and clamp so you can swap the old, cracked reservoir for a complete unit. Designed to match OE mounting points and hose connections, it fits a range of 2.2L–3.0L BMW gasoline engines across the E46, E83 and E53 platforms, offering a reliable and straightforward way to maintain cooling system performance.\u003c\/p\u003e\n\n\u003ch3\u003eWill this reservoir fit my BMW model?\u003c\/h3\u003e\n\u003cp\u003eYes — the A-Premium tank is built to fit many common BMW models that used the E46, E83, and E53 chassis with 2.2L–3.0L engines. Confirm fit by cross‑checking your vehicle year and engine displacement with the compatibility list and reference numbers before ordering.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompatible models include E46 320i\/323\/325\/328\/330 model years listed in the fitment details.\u003c\/li\u003e\n  \u003cli\u003eFits X3 (E83) 2004–2010 and X5 (E53) 2001–2006 with 2.5L\/3.0L engines.\u003c\/li\u003e\n  \u003cli\u003eReference numbers: 17137787039, 17111436413, 17117573781, 17132247553 and related part codes.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat are the key specifications and what comes in the box?\u003c\/h3\u003e\n\u003cp\u003eThe tank is a pressurized unit made from durable polyamide (PA) plastic and sized to OEM mounting. It includes the level sensor, a 30 PSI spring‑loaded twist cap, and a clamp for immediate installation.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePressurized design with maximum cap rating: 30 PSI.\u003c\/li\u003e\n  \u003cli\u003eMaterials: heat- and vibration‑resistant PA plastic; mounting hole count: 1.\u003c\/li\u003e\n  \u003cli\u003ePackage includes: 1 reservoir, 1 cap, 1 sensor, and 1 clamp; dimensions: H 359.7 mm × L 121.3 mm × W 133.4 mm.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does replacing the reservoir affect cooling system performance?\u003c\/h3\u003e\n\u003cp\u003eInstalling a new overflow tank with a working cap and sensor restores proper coolant recovery, prevents air ingress, and helps the system hold designed pressure. That stability supports more consistent engine temperatures and reliable coolant level monitoring.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePrevents coolant loss through cracks or degraded seams common in aging tanks.\u003c\/li\u003e\n  \u003cli\u003eMaintains correct pressure with the included 30 PSI cap for efficient heat exchange.\u003c\/li\u003e\n  \u003cli\u003eRestores electronic level detection for accurate dashboard warnings.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIs this an OEM part and what warranty\/support is offered?\u003c\/h3\u003e\n\u003cp\u003eWhile this A-Premium unit is an aftermarket replacement, it’s manufactured to match original mounting, connections, and function. A-Premium backs the reservoir with a 1‑year unlimited‑mileage quality guarantee and customer support for fitment or installation questions.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eNot an original BMW part but designed for direct replacement and compatibility.\u003c\/li\u003e\n  \u003cli\u003eIncludes warranty: 1 year, unlimited mileage; customer service available for assistance.\u003c\/li\u003e\n  \u003cli\u003eUseful reference codes and cross‑numbers included to verify compatibility with your OEM part.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: This A-Premium coolant overflow recovery tank is for BMW owners, mechanics, and DIY enthusiasts who need a full replacement reservoir assembly for E46, X3 (E83) or X5 (E53) vehicles with 2.2L–3.0L engines. It's aimed at anyone seeing cracks, coolant loss, incorrect level readings, or a failed cap — offering an affordable, ready‑to‑install solution that restores coolant containment, sensor function, and system pressure.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does this reservoir include the sensor and cap?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The unit ships with the electronic level sensor, the 30 PSI spring‑loaded cap, and a clamp.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Will it mount to my BMW without modifications?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: It’s designed for direct fit on specified E46, E83 and E53 models; verify part numbers and vehicle year before purchase.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"A-Premium","offers":[{"title":"Default Title","offer_id":67587306422457,"sku":"B07TJQNBRN","price":100.5,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/3765\/3177\/files\/a-premium-front-view-reservoir_977a2fef-2175-4853-b203-87debc2add22.jpg?v=1790505272","url":"https:\/\/redleafauto.ca\/products\/a-premium-engine-coolant-overflow-recovery-reservoir-with-sensor-30-psi-cap-fit-for-bmw-e46-e83-e53-2-2-3-0l","provider":"Redleaf Auto","version":"1.0","type":"link"}