No reason to go with Boge.
Let's test them on the bench and adjust them up some if possible. If it turns out that you aren't satisfied, then replacing all 4 is the way to go.
I believe that you have green front strut houseing so that means Bilstien, Boge, or Koni's could be up front. If they are original, then they will be Bilstein.
Putting Bilstein in the rear would change ride height because they are gas charged . . . . and you know what will happen once that happens