0491580 232320 Socket wrench insert Minimum set: Mechanical tools MW: Notes
WARNING: This page is about a different car, the 2011 BMW M3, 2010 BMW M3, 2009 BMW M3, and 2008 BMW M3. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
(socket wrench insert WAF 36) For loosening and tightening the collar nut