33 32 031 Replacing rubber mount for trailing arm in wheel carrier: Notes
WARNING: This page is about a different car, the 2012 BMW 328xi, 2011 BMW 328xi, 2010 BMW 328xi, and 2009 BMW 328xi. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
E90, E91 from 09/2008:
For driving dynamic reasons, both rubber mounts must be replaced on first replacement. After replacing the rubber mounts, mark wheel carriers with punch marks. If the punch marks are provided, the rubber mounts can be changed again individually.