{"product_id":"rein-ept0131-engine-coolant-reservoir","title":"Rein EPT0131 Engine Coolant Reservoir","description":"\u003ch2\u003eOverview of Rein Engine Coolant Reservoir EPT0131\u003c\/h2\u003e\u003cp\u003eThe Rein Engine Coolant Reservoir (part number EPT0131) is designed specifically for select BMW models including the 135i, 135is, 335i, 335i xDrive, and X1. This application-specific expansion tank ensures reliable coolant management and heat resistance for optimal engine performance.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eProduced from virgin plastic meeting or exceeding original equipment specifications\u003c\/li\u003e\n\u003cli\u003eResistant to cracking and wear caused by repeated heat cycles\u003c\/li\u003e\n\u003cli\u003eDirect fitment for easy installation without modifications\u003c\/li\u003e\n\u003cli\u003eManufactured to strict engineering standards for durability and performance\u003c\/li\u003e\n\u003cli\u003eColor: Black, designed to match OEM appearance\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe Rein EPT0131 engine coolant reservoir is engineered to handle the thermal stresses experienced in BMW engines. Made from high-quality virgin plastic, this expansion tank resists cracking and degradation from continuous heat cycles, helping to maintain coolant integrity and prevent leaks. Its direct fit design allows for straightforward replacement on BMW 135i, 135is, 335i, 335i xDrive, and X1 models, ensuring compatibility and preserving factory performance standards.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Problem Solving\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReplacement for cracked or leaking coolant reservoirs\u003c\/li\u003e\n\u003cli\u003ePrevention of coolant loss due to wear from heat exposure\u003c\/li\u003e\n\u003cli\u003eRestores proper coolant expansion and pressure regulation\u003c\/li\u003e\n\u003cli\u003eAddresses overheating issues related to faulty expansion tanks\u003c\/li\u003e\n\u003cli\u003eMaintains engine cooling system efficiency on BMW 135i and 335i series\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eInstallation of the Rein EPT0131 reservoir is straightforward due to its direct fitment design. It is recommended to drain the cooling system before removal to avoid spills. Inspect hoses and clamps for wear during replacement and ensure all connections are secure to prevent leaks. Follow BMW manufacturer torque specifications when tightening mounting hardware.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eRein expansion tanks are manufactured under strict engineering standards to meet or exceed OEM quality. Produced from virgin plastic, the EPT0131 part offers durability and resistance to heat-related wear. While specific warranty details may vary, Rein products typically come with a limited warranty covering defects in materials and workmanship to provide confidence in long-term use.\u003c\/p\u003e","brand":"Rein","offers":[{"title":"Default Title","offer_id":43762595823797,"sku":"DFBS-EPT0131","price":85.41,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/C8_EPT0131_Fro_9dcc28a4-4c47-43dc-a129-8634a11b2caa.jpg?v=1774995013","url":"https:\/\/www.partcatalog.com\/products\/rein-ept0131-engine-coolant-reservoir","provider":"PartCatalog","version":"1.0","type":"link"}