BMW Manufacturing produces the BMW X3, X3 M, X5, X5 M and X7 Sports Activity Vehicles and X4, X4 M, X6 and X6 M Sports Activity Coupes.at the Spartanburg, SC, plant. Since the plant started production in 1994, more than 4.5 million vehicles have been produced with an investment of more than $10.3 billion. The factory has a production capacity of up to 450,000 vehicles and employs more than 11,000 people.