WARNING: This page is about a different car, the 2011 BMW 750xi, 2011 BMW 750Lxi, 2010 BMW 750xi, and 2010 BMW 750Lxi. However, it is still accessible from the selected car via links, so may be relevant.
0492486 343210 Tensioning strap MW
NOTE:
For changing the power flow controller on the H31 brake system [Discontinued]