The Genuine BMW Woofer - 65139143241 is a high-quality audio component designed specifically for BMW vehicles. It is a speaker that is responsible for producing low-frequency sounds, providing a rich and deep bass sound for an immersive audio experience. This woofer is a genuine BMW part, meaning it is made with the highest quality materials and designed to fit perfectly into BMW vehicles. It is a reliable and durable product that is sure to enhance the overall sound quality of your BMW's audio system.