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      04-24-2018, 02:42 PM   #2
freedomfries
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Drives: 09 E90 "330i"
Join Date: Jul 2016
Location: BC/WA

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2009 E90 328i  [5.00]
The servo motor in the small DISA valve is faulty. I'm dealing with the same problem and replacement is the only solution that I'm aware of. Unfortunately the small DISA valve is on the "inside" of the intake manifold and will require removal to access