@Stig,
not sure I understood your question rightly.
IMHO (pls see pics) my 2013 model (LX) does not look that much different from my 2010 model (red). And they are interchangeable.
My Owner's Manual recommands a H4 35/35 W bulb which I exchanged at the LX against a car H4 55/60 W wihout trouble until now.
Improved light-output a little.
At the red.one I changed against this futuristic looking LED H4 with even better light performance. But mostly for its red matching color. And, after a little bit of adjusting, it beams at the right places.
Last pic is from an, I guess, 2020 model, fully LED I saw at the street lately. But didn't have time to stay and check properly.