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      04-28-2019, 10:35 AM   #17
mweisdorfer
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Drives: 2007 Black/Black 335i e90
Join Date: Apr 2011
Location: Holly, MI

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2007 BMW E90 335i  [0.00]
2008 bmw x5  [0.00]
Quote:
Originally Posted by theOkilla View Post
Quote:
Originally Posted by mweisdorfer View Post
30ff is vacuum related.
Okay, my 30FF code went away but I still have a severe lack of low end power and the car stumbles down RPMS between 1-2k. After that the car builds boost and becomes fast again. However, no engine codes or limp mode with WOT.
Was watching video the other day, low end power or lack there of could be that your transmission fluid is low. If you don't know when the last time the tranny fluid was changed, I'd flush it all out through the trans cooler. You'll need about 12-14 qts.
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