BMW 7 Series: Emission Control, Oxygen Sensor

 System Overview

The system circuit diagram for the outside temperature is displayed below. The diagram is structured in such a way that only the control units and control elements directly involved in the instrument cluster are shown. The instrument cluster receives a large number of different bus signals that

 Headlight Fogging Fault Pattern

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. Permissible fogging. Headlight does not need to be replaced. Impermissible fogging. Replace the headlight. Fig. 42: Identifying