This is a high-quality amplifier designed for BMW F30 F32 F36 2/3/4 Series. It is an OEM part number and made by a well-known manufacturer in Germany. The amplifier is durable and designed to provide great sound quality. It is compatible with various interchange part numbers such as 6512 6834089 6512 9326555 6512 9343317 6512 9352264 6512 9353021, 65122622503 65122622892 65126805821 65126809354 65126827159, 65129362445 65129367812 6512 9381088 6512 9390396. The amplifier is made with silver