In fact, Bavarians recommend performing BMW sat nav updates twice a year, or annually at the very least. Whether updating your iDrive software or doing a BMW map download to the factory navigation system, keeping your BMW's iDrive up-to-date should be a regular task, just like maintaining any other part of your vehicle.
But to keep a modern, iDrive-toting BMW at its best, there's a little more to it. There was a time when regular oil changes and a new set of tires once in a while was all the routine maintenance a vehicle needed.
