Yes, sometimes. Take a photo of your preset stations (AM/FM) before updating. Most updates preserve them, but it’s safer to assume a full settings reset.
To keep your (or similar Series 330 car multimedia system) running smoothly, periodic software updates can help resolve bugs and improve Bluetooth compatibility. How to Check Your Current Version Before searching for a new file, verify your current build: Turn the unit ON . Go to Settings from the main menu. Select General . Blaupunkt Bp 330 Software Update