31 12 138 Replacing rubber mounts on both trailing links
WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2017 BMW X3, 2016 BMW X3, 2015 BMW X3, 2014 BMW X3, and 2013 BMW X3. However, it is still accessible from the selected car via links, so may be relevant.
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Procedure is described in 31 12 138 Replacing rubber mount in left or right trailing link .