The auto-dimming rearview mirror commonly develops a fluid leak as it ages; the fluid is corrosive and can damage the interior if not removed or repaired by specialists like Radar-mirror.
Rearview mirror auto-dimming fluid leak
BMW E39 M5 · interior
The auto-dimming rearview mirror commonly develops a fluid leak as it ages; the fluid is corrosive and can damage the interior if not removed or repaired by specialists like Radar-mirror.