Can just check via 11th digit of the VIN or Chassis number. That digit will tell you the location of the BMW assembly plant.
"L" is the BMW code for "Greer, South Carolina, USA".
(A,F,K = Munich, Germany), (B,C,D,G = Dingolfing, Germany), (E,J,P= Regensburg, Germany), (N= South Africa). :D