63 12... Headlight fogging fault pattern

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.

NOTE: Certain weather conditions can lead to fogging on the inside of the headlight lens.

This is not necessarily a fault that requires replacement of the headlight.

Fig 1: Headlight Fogging (Permissible And Impermissible)

Courtesy of BMW OF NORTH AMERICA, INC.

Permissible fogging. Headlight does not need to be replaced.
Impermissible fogging. Replace the headlight.