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31-1005 Washer
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.
0491855 311005 Washer MW
NOTE:
(Flanged washer) For centring of threaded spindle and as a support disc for removing and installing the rubber mount in the front axle support and in the wishbones, series: E12 [discontinued]
Courtesy of BMW OF NORTH AMERICA, INC.