Where is the AUX interface in the BMW 7 Series?

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The AUX interface in the BMW 7 Series is located inside the center armrest. AUX is an audio input interface. The basic working principle of the AUX interface is that after connecting to it, the audio from electronic devices can be transmitted through the headphone jack and the AUX interface to the car's audio system, allowing the audio to be played through the car's audio broadcasting facilities. The USB interface can be used to insert a USB drive for audio playback. When using it, connect one end to the AUX interface and the other end to devices such as mobile phones, MP3 players, or MP4 players. This allows you to listen to songs or niche music anytime, anywhere, without being limited to car music CDs. However, if the playback device runs out of power, the music will stop (the interface is typically a 3.5mm standard headphone jack). Aux is short for Auxiliary, which refers to an additional signal line design. In general audio equipment, besides the standard output and input terminals, there are often several terminals labeled Aux, serving as backup connection points. These can be used for special applications, such as additional audio output or input. Such backup terminals or lines, whether for input or output, are collectively referred to as Aux. Function: The AUX port is an asynchronous port, mainly used for remote configuration, dial-up connections, or connecting to a MODEM via a transceiver. It supports hardware flow control. The AUX port and CONSOLE port are usually placed together because they are used in different configuration environments. The AUX interface establishes a command-line connection between the user and the device, enabling operations that are typically impossible in user mode, such as initialization, restoring default configurations, or correcting abnormal user modes. It provides a fixed port for the device, which can be used as a standard asynchronous serial port with a maximum speed of 115200bit/s. Using the AUX interface, remote configuration of hardware products and line backup functions can be achieved. Note: When using the AUX interface, ensure you purchase the correct connecting cable and avoid plugging the audio cable into the wrong port. It's best to follow the steps outlined in the product's user manual. If you're still unsure, you can consult the product's official website or call for assistance.