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Old 01-14-2013, 10:59 AM
JoeFromPA JoeFromPA is offline
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Location: West Chester, PA
Join Date: Jan 2007
Posts: 1,748
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).
F80 m3 - 20k miles as of April 2015....08 535xit - 120k miles
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