Ain't much. You know, the records were so badly kept, that BMW isn't sure how many 2800CS's were shipped to the US. From the CSR: "For the USA-shipped 2800CS, the parts microfiche indicate that there were 826 units shipped to the USA, the parts manual shows 626, the book "BMW Coupes - A Tradition der Elegance" by Mobile Tradition shows 526." Give or take 300 coupes....