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Old 01-14-2013, 11:59 AM
JoeFromPA JoeFromPA is offline
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Location: West Chester, PA
 
Join Date: Jan 2007
Posts: 1,738
Mein Auto: 01 M5, 08 535xit
I believe the active vent design is on the current 7-series as well. You usually don't need that amount of airflow at speeds anywhere over 10mph, so it makes alot of sense. I just hope they are designed to fail open (like most modern thermostats).
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01 m5 - 127k miles 11/2013....08 535xit - 94k miles
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