Wanheyao 3.5mm MP3 AUX-in Adapter CD Changer Audio Cable for BMW E39 E46 Shielded Male to Male Adapter Connect between 3.5mm device and car stereo system Easy to use, plug in directly, no modification need Fit for most music player with 3.5mm AUX(such as MP3, IPAD, IPHONE, GPS etc) 100% brand new AUX-in Adapter