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  #36  
Old 09-04-2012, 01:25 AM
jgroarke jgroarke is offline
Officially Welcomed to the 'Fest
Location: manechester
 
Join Date: Mar 2011
Posts: 260
Mein Auto: BMW X3 3.0d Msport
Just to add my 2 cents on the original question.

I can visibly see my side mirrors dimming at night when a car with bright lights is behind. I can detect an edging effect where the edge of the mirror stays as normal, but the main body of the mirror dims a little. Then you can see the difference in shading.

Maybe try this at night. My stupid idea would be to park up at night and shine a torch on the rear view mirror sensor to make it dim. Check the rear view dims, then check on the sides?

J
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