The discussion about increased product complexity in Western European companies has been omnipresent for decades. This is due to ever new demands (real or c- ceived) from the market and new possibilities (technical and others) open to the p- viders of products and services to come up fast with very specific solutions. The m- agement of this complexity inside the company so as to achieve a balance between the market benefits of more customer specific solutions and the internal costs induced by this is still a big challenge. After years of research in this area there is still a lack of tools to...