This A1 Cardone 57-1387 water pump is a reliable and durable choice for your BMW 3 or 5 Series. The pump is made with high-quality aluminum and plastic materials, and features a belt-driven design for optimal performance. It has been durability tested and is 100% leak tested, ensuring that it will provide reliable and long-lasting performance. This water pump is designed with a bolt-on mounting style, making it easy to install and use. It is not a vintage part, but is a remanufactured product that meets OE/OEM specifications. The Cardone Industries brand is known for its quality and reliability, and this water pump is no exception. Whether you are replacing a damaged pump or upgrading to a more durable option, this A1 Cardone 57-1387 water pump is an excellent choice for your BMW. Exact item is shown. Includes water pump and instructions with the original packaging. Aluminum housing with plastic impeller. No returns on installed items or partial kits. Made in the USA. Please review our business policies in our store for information regarding returns, shipping and warranties.