Socket nut 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 nut) z34 For counter-holding the gearbox input shaft when releasing and tightening down flange nut.