Joying released Android 8.1.0 Oreo Octa Core 4GBRAM+64GBROM Autoradio Head Unit GPS Navigation with Universal Single din and Double din models which can fit BMW E39/E46/E90 model perfectly. The Android 8.1.0 head unit with more smooth operation, shorten the loading time observably. Quicker system responsing and faster speed web browsing experience. Any confusions pls contact us europe@joyingauto.com