The product is a set of four aluminum rims with a diameter of 18 inches and a width of 8.5 inches, designed for various BMW models such as the E39, E38, E34, E32, E28, E24, E60, E65, E46, and E36 B7. The rims come in a silver and gray color and have a bolt pattern of 5x120. Manufactured by AcuNova, the product offers a stylish and high-quality option for upgrading or replacing the wheels on your BMW vehicle.