Probably pushing my luck but has anyone seen a set of manuals online for a 2015 Dyna ?? I have the 2013 from here but it is more different than I expected.

I'm keen to save a few bucks but I am also keen to get the right one. If that means I need to spend it, so be it.

Have you tried https://www.mybikemanual.com/shop/dyna/2015-harley-davidson-dyna-models-service-manual-download-99481-15/