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      11-20-2012, 10:08 AM   #11
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Drives: X3
Join Date: Aug 2012
Location: Toronto

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Quote:
Originally Posted by ctwickman View Post
You sure it's not the high pitched sound of the turbo winding up or down? Does it only happen during or immediately after an increase in acceleration?
It happens anytime you are traveling at a steady speed between (roughly) 55 km/h and 80 km/h. Fortunately not present at (highway) speeds higher than this.

Dealer is going to have a look later this week.