I think you have way too much going on there. First, you don't need carapils in this. There is already carapils in your extract and the wheat serves a similar purpose, at least the head retention part. Also, your wheat extract is a blend and will be somewhere around 65% wheat and 35% pale extract so it won't be as wheaty as you might think though I understand that the containers are 3lbs and it's just easier that way. But you might consider using Wheat DME and using more of the wheat extract than the pale, say 4 lbs wheat and 2 lbs pale.
I wouldn't add all that extra stuff to the beer mostly because that yeast will provide a lot of good flavor. 3068 fermented at warmer temps will produce banana esters, cooler temps will lean more towards clove phenolics, so you can manipulate the flavor with your fermentation temps. 62-63 produces a really well balanced weizen in my experience. As far as the orange goes, I like to drink mine with a big wedge of orange squeezed and stuffed into the glass. I know it's probably not how the Germans drink it but I still do it.
All that being said, it's your beer and the beauty of homebrewing is that you can do whatever the heck you want.