Interior - Electrochromatic Mirror Failure
SI B51 08 02Body Equipment
December 2002
Service Engineering
SUBJECT
Interior Electrochromic Mirror Failed (Turned Black)
MODEL
E46 (3 Series) Vehicles from 9/02
SITUATION
The electrochromic interior mirror fails (turns black) when the lights are turned on
CAUSE
There is a power feed (Panel illumination 58g) incorrectly routed to pin 5 of the interior mirror connector X18246.
CORRECTION
In cases where the mirror has failed, before installing a replacement mirror, the wiring must be checked.
Remove the interior light and locate the white 2-pin connector with a single gray/red wire. This connector must not be connected.
If necessary, disconnect the connector3 and tape back with electrical tape.