WARNING: This page is about a different car, the 2013 BMW 550i GT, 2012 BMW 550i GT, 2011 BMW 550i GT, and 2010 BMW 550i GT. However, it is still accessible from the selected car via links, so may be relevant.
0493821 334406 Pliers MW
NOTE:
(Clamping ring (50 to 55 mm)) No longer available separately, only available as part of complete tool set 0493416 = 33 4 400. [Not available separately]