Upgraded Coolant Storage Tank Compatible 16-21 BMW G12 G14 G15 G16 G30 G32 530E 530I 540I 740I 740E 745E 840I 17138610656

Please use the Amazon Vehicle Compatibility Checker before ordering to confirm this item fits your specific vehicle by Year, Make, and Model. Compatible with: : Direct replacement coolant reservoir tank for 2018-2022 530e , 2018-2022 530e xDrive , 2017-2022 530i , 2017-2022 530i xDrive , 2017-2022 540i , 2017-2022 540i xDrive , 2018-2019 640i xDrive Gran Turismo , 2017-2019 740e xDrive , 2016-2022 740i , 2017-2022 740i xDrive , 2020-2022 745e xDrive , 2020-2021 840i , 2020-2023 840i Gran Coupe , 2020-2021 840i xDrive , 2020-2023 840i xDrive Gran Coupe。 OEM Number：17138610656, 17138742975, 17139487210, 17139884859-(Package Included: 1xCoolant reservoir , 1x Cap)

The coolant reservoir tank undergoes strict quality control. Crafted from high-strength, heat-resistant, and corrosion-resistant Premium Aluminum Construction（ASTM B 85-03 384） material, it withstands intense under-hood temperatures in powerful HEMI engines. The overflow tank is rigorously tested to endure 200,000 pressure cycles at 35 PSI, with a burst pressure rating of 100 PSI. This design ensures an enhanced radiator coolant bottle that is leak-resistant, aging-resistant, and impact-resistant for long-lasting performance. It provides durable and reliable performance for your vehicle’s cooling system.

The coolant reservoir cap maintains standard system pressure, preventing coolant boiling and engine overheating to protect your vehicle’s core. ensuring both safety and convenience. A properly functioning coolant tank is essential for preventing engine overheating and supporting long-term engine health.

The coolant reservoir is engineered for direct replacement, requiring no modifications. Installation typically involves just a few simple steps: remove the old tank, disconnect the hoses, install the new tank, and reconnect the hoses. Even first-time DIY users can complete the installation quickly and easily, helping you avoid costly professional labor fees.

Every coolant reservoir tank undergoes strict pressure and leak tests before shipping to ensure flawless performance. Backed by a 60-month warranty and dedicated customer service, we guarantee a reliable solution for your vehicle. Should you have any questions, our team is ready to assist you promptly. We offer this high-quality, OEM-comparable part at a competitive price, delivering exceptional value and a cost-effective alternative for your maintenance needs.