11-7020 Socket wrench insert
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.
0491074 117020 Socket wrench insert Minimum set: Mechanical tools MW
NOTE:
(Socket wrench insert WAF 22) For releasing and tightening the oxygen sensor [Released]
Storage Location
A9
Courtesy of BMW OF NORTH AMERICA, INC.