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Old 10-17-2007, 01:32 PM
Bob M. Wiggins Bob M. Wiggins is offline
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Join Date: Aug 2007
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Mein Auto: E39s in TiAg
What's the little sensor unit in my defrost duct where the dash meets the windshield?

Maybe a dumb question, but I couldn't find anything on it. Any clues?
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