63 12... Headlight fogging fault pattern

WARNING: This page is about a different car, the 2013 BMW M3, 2012 BMW M3, and 2011 BMW M3. 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 Fault Pattern

Courtesy of BMW OF NORTH AMERICA, INC.

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