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      01-13-2015, 04:36 AM   #3
eddiem74
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Drives: 2008 E92 325i M-Sport Coupe
Join Date: Apr 2008
Location: Dublin, Ireland

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Hi Raj,

My car has option: S431A INTERIOR REAR-VIEW MIRROR WITH AUTO DIP which is just for the rear view mirror dimming.

However I think for the exterior auto dimming mirror to work the car vehicle order (VO) needs to be coded to add option: S430A INTERIOR/OUTSIDE MIRROR WITH AUTO DIP - I am unsure if option S431A should be removed if S430A is added, but I am sure a coding expert will confirm?

Then you just need to ensure in the CAS module that SPIEGEL_ELEKTROCHROM is set (i.e. coded) to "aktiv".

I am a bit of a coding novice but this seems like a coding issue.

Cheers,
Eddie
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