How does the concept of customization within the automotive arena affect the economies of scale on a supply chain?

Instructions:
The guidelines for this assignment are fairly straight forward. Use your understanding of course concepts (both through course discussion and textbook learning) in concert with external sources to justify your position and conclusion.

There are no formal length requirements, however you must ensure you fully explain your position, and demonstrate a clear understanding of the topic at hand. As a general guideline, each answer should be approximately 10-20 sentences long.
External references are expected. Not only must they be used, but you must show why and how they contributed to the innovation/understanding/interpretation of the concept at hand.
How does the concept of customization within the automotive arena affect the economies of scale on a supply chain?
What are the advantages?
What are the disadvantages?
How sustainable to the operation of a supply chain, is customization within the automotive industry (specifically BMW)?
Which areas along the chain are most vulnerable and why?
Is the bullwhip effect reduced as a result of customization?
What macro-level effects might the introduction of customization have on the overall business model?
How might an overwhelming acceptance of customization within the automotive industry affect the supply chain?
Does the concept of disruptive innovation apply to the new process of the BMW supply chain? If so, how?

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