The 2006-2010 BMW E90 E92 325i 328i 328xi 335i Audio Amplifier Amp HiFi 9143156 OEM is a genuine BMW audio amplifier specifically designed for these model vehicles. Made in Germany, this black unit features bass boost technology and comes with one channel. With its OEM part number 65129143156, this high-quality amplifier ensures a premium in-car entertainment experience for BMW owners looking to enhance their audio system.