Quote Originally Posted by Deerman View Post
<...> it goes all the way though the update then comes up with an error code.
What does the error code literally say?

Quote Originally Posted by Deerman View Post
Do you think ints down to the update been too large and not enough free space on the micro SD?
16GB is more than enough space for the entire European map, including any ancillary files. If Garmin Express can not find enough free storage space, it will tell you before starting the download.