Wired/wireless Carplay for bmw E70 CIC Built-in Wired/wireless Carplay, Wired CarPlay need connect the USB IN 1. Wired/wireless android play auto for bmw E70 CIC Built-in Wired/wireless android auto, Wired Android auto need connect the USB IN 1. Wired/wireless Mirror link for bmw E70 CIC Built-in Wired/wireless Mirror link, Wired Mirror link need connect the USB IN 1. Automatic and manual AUX switching settings 2. You can also store the AUX mode in the 8 button, and every time you press the 8 button before entering a new system, you can get the sound of Carplay or Android auto. How are we different? Piano lacquer process The frame is made of piano lacquer, which is wear-resistant and provides better visibility. Black Background Crafts Using the close-fitting process, there is 0 distance between the display screen and the touchpad. The background is darker when the screen is off; the colors are more realistic when the screen is on! 1MM Frame The frame is only 1MM, which increases the viewing area of the display. Solutions to sound distortion 1. When you encounter sound distortion, please connect ground A and ground B. 2. Linux screen does not need to install 4G and GPS antenna. Need use the USB IN1 Connect the Wired Function Be sure to use USB IN 1 to connect the wired CarPlay Android auto and Mirror link function. Set the OEM Resolution Please select the correct resolution for the OEM display within the settings, otherwise the OEM Car INFO may not display properly. Setup>Car Settings> Original Car's Screen Resolution> Select the item Support the OEM or after-market Camera Please select the correct camera option within Settings, Select Original Camera if it is a factory camera. Select Aftermarket Camera, if you are installing an aftermarket camera. Move the original host fiber optic cable to the Linux harness If your OEM radio has a fiber optic cable above the power harness, Pls move it to the Linux harness. Otherwise you can't get the car information and the Linux sound. And it will be accompanied by a heartbeat wheezing sound. Only for bmw CIC system (4PIN LVDS) This product is only suitable for BMW CIC system. There is a 4 PIN LVDS at the back of the OEM screen. It does not support CCC 10PIN system. If you buy the wrong system, you will not be able to install it.