This water pipe to expansion tank hose is a high-quality replacement part that fits perfectly on BMW 325Xi, 330Xi, X3, and X5 models. It is made of rust-resistant plastic material with a matte finish, ensuring durability and longevity. The hose has a diameter of 19mm on the exterior and 13mm on the interior, and it comes with a clip-on mounting style for easy installation. The package includes one hose, which is an OE/OEM part number 11537502000 and an interchange part number CHP0569. It is designed to be placed in the engine compartment and front of the vehicle, making it a vital component of the engine cooling system. This hose does not have any performance parts and is not a vintage part. It is not a universal fitment item and is specifically made for BMW models. Exact item is shown. New open box without original packaging. Includes the O rings shown. Made in China. No returns if installed. This item is a new, opened customer return. It has been inspected and passed quality control to insure the condition described and contents are accurate. Please review actual photos as stock photos are not the actual item, our photos are. You will ONLY receive exactly what is shown in photos, regardless of what might have originally been included. Please review our business policies in our store for information regarding returns, shipping and warranties.