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      08-28-2013, 06:54 PM   #9
jfong425
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Drives: 2011 335i Alpine White
Join Date: Jun 2013
Location: SF Bay Area

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Quote:
Originally Posted by ry335 View Post
Not exactly sure. The tech feels the "buzzing" sound is actually an air leak somewhere in the vacuum line. The vacuum line is only being used when the valved is CLOSED. And the valve is only closed on startup, and in 5th and 6th gear.
My buzzing is happening during initial start up (30 seconds or so) and anything after 10-13 mph. i'm hoping we have the same issue.
Appreciate 0