2.0 Grinding Outer Shell And Structure
WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2014 BMW X6, 2013 BMW X6, 2012 BMW X6, 2011 BMW X6, and 2010 BMW X6. However, it is still accessible from the selected car via links, so may be relevant.
Always replace abrasives which have already been used to treat aluminum (risk of corrosion).
Do not grind the material thin.