51 24 300 Removing and installing or replacing left or right gas strut for trunk lid
WARNING: This page is about a different car, the 2013 BMW Z4, 2012 BMW Z4, 2011 BMW Z4, 2010 BMW Z4, and 2009 BMW Z4. However, it is still accessible from the selected car via links, so may be relevant.
WARNING:
Support rear lid in fully opened position with suitable apparatus. Risk of injury.
Slide stop spring (1) to end of gas-filled strut (2) and lever out gas strut.
Repeat the procedure at the other end of the gas-filled strut (2) and remove.