Protecting car interior

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.

To avoid damage and if necessary dirt, protect A-pillars, roof and instrument panel trim (3) by means of plastic disc (1)
Always carry plastic disc (1) between respective wire (2) being strained and trim panel components

Fig 1: Identifying Plastic Disc And Respective Wire

Courtesy of BMW OF NORTH AMERICA, INC.