This part is listed by BMW as BMW part number 11287631826 (11-28-7-631-826) and is described as Continental OEM Drive Belt for Air Conditioning Compressor on F02 760Li (2009-2015).
Supersedes obsolete BMW part number 11287570267 (11-28-7-570-267).
This is an OEM drive belt manufactured by Continental - an original supplier to BMW for this part, as well as many other components. As an OEM it meets all of BMW's original design, fitment, and performance requirements and is TUV approved. OEM parts are the best alternative to more expensive Original BMW parts because they are virtually identical without the inflated price tag. This part has a two year warranty.
BMW Fitments:
7 Series
F01 / F02 (2009-2015) > 760Li