37 12 155 Removing and installing/replacing rear left or right air spring
WARNING: This page is about a different car, the 2006 BMW X5, 2005 BMW X5, and 2004 BMW X5. However, it is still accessible from the selected car via links, so may be relevant.
For procedure, refer to 37 12 155 REMOVING AND INSTALLING/REPLACING REAR LEFT OR RIGHT AIR SPRING .