The BMW 328i High Fi Amp Audio Amplifier is a genuine OEM BMW product in silver color. It features Bluetooth connectivity and has an impedance of 4 Ω. This unit is designed to enhance the audio experience in your BMW 328i vehicle, providing clear and powerful sound quality for an immersive listening experience while on the road. Upgrade your car's sound system with this high-quality amplifier from BMW to enjoy your favorite music with superior sound clarity and depth.