BMW Engine Coolant Expansion Tank - Nissens 17138616418

Ensure your BMW's cooling system performs flawlessly with the **Nissens Engine Coolant Expansion Tank (NSN-996267)**. This high-quality replacement reservoir is essential for maintaining correct coolant levels and pressure, effectively preventing engine overheating and ensuring long-term reliability.

Crafted by Nissens, a leader in automotive thermal solutions, this expansion tank offers a direct-fit replacement, matching the specifications of the original equipment for a seamless installation. It is compatible with OE part numbers **17137823544, 17137639464, and 17138616418**.

Designed for a broad range of **BMW X3 (2011-2017)** and **BMW X4 (2015-2018)** models, including various xDrive28i, xDrive35i, sDrive28i, xDrive28d, and M40i variants, this part provides the perfect solution for restoring your vehicle's cooling system integrity. Confirm fitment for your specific model year and engine type to ensure compatibility.