What are the reasons for sudden BMW Bluetooth connection failure?

[OHayden]

Reasons for sudden car Bluetooth connection failure: It may be that the mobile device has moved out of the car Bluetooth communication range, the mobile system is incompatible with the car Bluetooth system, there are instability factors in the electronic equipment, there are connection records of other devices, hardware facility failure, etc. The following are specific reasons: Out of communication range: The current mobile device has moved out of the car Bluetooth communication range, and the signal may not be received if the distance is too far. You need to get closer to the car Bluetooth and reconnect. System incompatibility: The current mobile system is incompatible with the car Bluetooth system, causing frequent signal interruptions. Upgrade the mobile system to the latest version and try to connect again. Unstable factors: Due to instability factors in the electronic equipment, it is recommended that users restart the mobile phone and reconnect. Other connection records: There are connection records of other devices on the mobile Bluetooth. It is recommended to delete the previously connected Bluetooth devices. Hardware facility failure: Whether there is a problem with the car Bluetooth module or the mobile Bluetooth function, the connection cannot be successful. Repair or replace the Bluetooth module.