0183 Holder
WARNING: This page is about a different car, the 2011 BMW X6 and 2010 BMW X6. However, it is still accessible from the selected car via links, so may be relevant.
0493523 000183 Holder MW
NOTE:
(Cable holder set - H -) For cable cabinet II only 16 guide rails with 15 holding straps as fixture for adapter cables - valid status in each case [released]
Courtesy of BMW OF NORTH AMERICA, INC.