BMW 3 Series 09 (E90/E91/E92/E93) Under Seat Subwoofer Bass Speaker Right Driver Side. This is a genuine subwoofer speaker assembly removed from a BMW E90. Ideal replacement for a faulty or damaged subwoofer, enhancing your car’s audio system with authentic, high-quality sound. Feel free to reach out if you have any questions or need more details about the item.