AUX-BMW.01-JACK is an aftermarket audio cable designed to be used with BMW vehicles. It connects an external audio device, such as an MP3 player, mobile phone, or laptop, to the BMW's radio system. The plug is specially designed to fit directly into the external audio input provided on most BMW vehicles and is compatible with models such as 3 Series, 5 Series, and X5. The cable has a high quality metal plug, with a rubber outer sheath to ensure a secure fit, and it is made of durable and flexible material.