Well, Cyanlabs does not support changing regions…
Having said that, you can’t fit EU maps on that unit since it lacks the required space for EU nav packages, among other things… EU NAV APIMs are 64GB, NA NAV ones are 32GB…
But if you want, you can always check this guide that I’m sure will be helpful should you decide to upgrade to 3.4 → Tutorial: Current EU Maps Installation on US Imported Vehicles