The BMW 5 Series can be bound to the vehicle through the BMW ID account to realize cloud interconnection. The specific steps are as follows: 1. Download and install BMW internet App, and register BMW ID account. 2. Bind the BMW ID account with the vehicle. You can add a vehicle in the connected application, or bind the vehicle through the menu in the iDrive system. 3. Enable cloud services, including real-time traffic information, remote door locking, remote preheating and other functions. It can be set through the connected application or the menu in the iDrive system. 4. Connect the vehicle to the mobile phone, and you can view the vehicle status and driving data. Through the CarData function in the connected App. 5. Use cloud services, such as using navigation function to obtain real-time traffic information, using remote door locks to unlock vehicles, and using remote preheating to preheat the interior environment. It can be operated through the connected App or iDrive system.