This is the Original Drive Window Regulator Left Front/Rear.
This is a used item; see the photo.
OEM part numbers: 51337248171 / 51337271563 ;
Fits:
F10 / F10 Facelift;
F11 / F11 Facelift;
F18 / F18 Facelift;
Please ensure it is a part for your model before buying!