113470 Socket wrench insert Mechanical tool: Notes
WARNING: This page is about a different car, the 2016 BMW Z4, 2015 BMW Z4, and 2014 BMW Z4. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
(Screwdriver insert) Hexagon socket SW5/3/8" connection, shaft length 60 mm, for slackening and tightening chain sprockets on the camshaft