63 12... Headlight fogging fault pattern
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2010 BMW 535xi, 2010 BMW 535i, 2009 BMW 535xi, 2009 BMW 535i, and 2008 BMW 535xi. 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.
(A): Permissible fogging. Headlight does not need to be replaced.
(B): Impermissible fogging. Replace the headlight.