Enhance your BMW 1 Series E81, E87, E90, E91, or E92's audio experience with this Alpine amplifier sound system. The system is specifically designed to fit your vehicle seamlessly, while providing high-quality sound output. With its sleek design and advanced technology, this amplifier system is perfect for any car enthusiast. Experience crystal-clear audio quality and immerse yourself in your favourite music with this BMW amplifier sound system. It is easy to instal and comes with a manufacturer part number of 65410445683. Upgrade your in-car entertainment system and enjoy a comfortable and convenient listening experience with this Alpine amplifier sound system.