We go behind the scenes (where cameras are not allowed) in a rare factory tour of the BMW Spartanburg, South Carolina plant's Assembly Hall for the BMW X3 and BMW X4. These BMW models are built in the USA. They are manufactured here they are distributed across the world from a port in Charleston, SC. BMW produces the X3 X4 X5 and X6 models for the entire world from this location. Even though you can't buy a BMW X4 diesel in the United States, they are produced here. Read more at: http://dieselreview.net/review/personal-tour-bmw-usa-factory-south-carolina