Thread: BOV problem
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      02-20-2013, 10:48 PM   #2
Chris_506
From RWD to AWD
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Drives: 2009 335xi
Join Date: Oct 2012
Location: SCar

iTrader: (13)

Dobyou have a tune? Because what youre describing sounds like the bogfix feature that keep some psi during shift to make shifts smooth.

If this only happens under heavy load it is usually normal, I thought I had the same problem a while back but that's just the way it works for the most part above 5k rpms
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