The reason why the BMW 5 Series on Pacific Automotive Network cannot play songs when connected to Bluetooth may be that the multimedia volume of the mobile phone is not turned on, or the volume of the integrated car navigation unit is not turned on, or the car Bluetooth is not connected to the mobile phone at all. If there is no pairing connection, you can check the settings one by one.

The reason why the BMW 5 Series cannot play songs when connected to Bluetooth may be that the media volume of the mobile phone is not turned on; or the volume of the in-car navigation integrated machine is not turned up; or it may be that the car Bluetooth and the mobile phone are not paired and connected at all. , you can check the settings one by one.

1. Make sure the song you are playing is not ape. Some speakers on the market do not support ape playback at a bit rate that can cause lag;

2. If the Bluetooth signal reception is not good, connect the mobile phone to Connect with other Bluetooth, if there is no such problem, it is a problem with the car Bluetooth, and the car Bluetooth can be repaired;

3. Try to clear the phone memory, and then restart the phone;

4. Replace Music playback software, mainly commonly used Kugou, QQ Music, NetEase Cloud Music, etc.;

5. It is recommended that you upgrade the mobile phone system. If it is still disconnected, it may be due to poor compatibility, which may be due to problems with the mobile phone itself. Go to the relevant manufacturer for repair.

Bluetooth hands-free is also called car Bluetooth or car hands-free. The Bluetooth technology in the car Bluetooth system is inherited from the Bluetooth technology of mobile phones and has the same transmitting system. Bluetooth hands-free is just an in-car wireless hands-free system designed and developed based on wireless Bluetooth technology. The main function is to use Bluetooth technology to connect to a mobile phone for hands-free calls during normal driving, which has achieved the purpose of freeing both hands and reducing the risk of traffic accidents. The BMW 5 Series car Bluetooth is matched with the entire car's audio. When in use, a mobile phone with Bluetooth function is paired with the car's audio, so that the car owner can automatically switch the sound of the audio, mute the sound, and hang up the phone when an incoming call comes. The sound will be restored automatically. After installing a car Bluetooth system, car owners do not need to distract themselves when answering calls while driving. When answering an incoming call, users only need to press a key or use voice control to answer the call, which improves the safety and convenience of driving. The car Bluetooth system also supports conference calls, MP3 playback and other functions. It is easy to operate and can connect multiple phones at the same time, which greatly improves driving safety.