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      11-11-2012, 04:26 PM   #2
Tom K.
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Drives: '07 328iT, '13 Boxster
Join Date: Mar 2008
Location: Maryland

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The mirrors in both my ZPP equipped 128i and E91 dim automatically. If you have Premium and your mirrors do not auto dim, then either the sensor has been blocked or you have a warranty issue.

Tom