I am thinking about the stripes as seen in this video from 1978 like it might come from the factory.
http://www.youtube.com/watch?v=kFcAJNVrIIQ
Here are some examples:
Front air dam only:

Sides only:

Silver all around


gold?

Any opinions/ other ideas? I am leaning towards the silver on black all the way around
For reference, here is a picture of my 635CSi as it sits currently:

