Set zoom = 17 and increase Online Maps / Width and Height (pixels) for the tileset or texture size for other controls.

Currently I'm using zoom level 16 for my map in order to get the feeling of a wide view.
In addition the camera position is pretty close to the map, since I'm trying to achieve kind of a 3rd person view.
Unfortunately the textures on this zoom level are really pixelated and adjusting the pixel width and height of the tiles doesn't make much difference.

I am thinking about using tiles of a higher zoom level somehow but I am not quite sure how to do it at the moment. (see graphic)
Do you have an idea for this or maybe there is another solution for the problem?

Thanks