how to fix the navigation system not working in BMW 3 Series G20/G21 (2019-2024)

Solution

1. Software Update

1. Connect the vehicle to a Wi-Fi network or use a USB drive to download the latest software update from the BMW website.
2. Access the iDrive menu and navigate to "Settings" > "Software Update."
3. Follow the prompts to install the update, ensuring the vehicle is in park and the engine is running during the process.

2. GPS Antenna Inspection

1. Locate the GPS antenna, typically found in the rear of the vehicle or under the dashboard.
2. Inspect the antenna for any visible damage or loose connections.
3. If damaged, disconnect the antenna cable and replace the antenna with a new one, ensuring proper connection.

3. System Reset

1. With the vehicle in park, turn off the ignition and remove the key fob.
2. Wait for at least 5 minutes to ensure all systems are powered down.
3. Reinsert the key fob, start the vehicle, and check if the navigation system is responsive.

4. Battery Voltage Check

1. Use a multimeter to measure the battery voltage.
2. If the voltage is below 12.4 volts, charge or replace the battery as needed.