Most units have a "Help" or "Manual" app pre-installed on the Android home screen.
To hear the Android unit, your BMW must be set to the "AUX" or "USB" audio input mode.
Ensure the fiber optic cable was moved to the new harness. Check that the BMW factory radio is set to AUX.
In the "Factory Settings," change the camera type (usually AHD or CVBS) to match your hardware.
Go to Settings > Factory Settings (Password is usually 1314 or 8888) > CAN Selection and ensure your specific BMW model is selected. 6. Accessing Official Documentation
2025 BMW Tutorials - How To Find And Use The Driver's Manual