1170 Pin wrench
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.
0491670 241170 Pin wrench Minimum set: Mechanical tools MW
NOTE:
For loosening and tightening the slotted nut on the output flange [Released]
Storage Location: A13
SI number: 01 09 90 (282)
Courtesy of BMW OF NORTH AMERICA, INC.