Hi all, just wondering if its possible to update my mmi an maps on a 2019 Q5 Black Edition. Any help greatfully received. Thanks Andy 

You could try contacting these guys - https://www.hazzydayz.com/ - they do a lot of VAG work with various hardware and software options.

You probably have mmi navigation plus and I don't think that there are many hardware options but you can get map updates from people like the one I mentioned above or just google "mmi navigation plus updates".

With a 2019 build you might have google maps as standard.

I generally use android auto and waze for navigation - it's much better than the built in option.