Thread: Janne's M Performane Power Kit (MPPK) 335i N55 installation - F34 GT
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      12-10-2013, 08:30 PM   #12
rudyv1
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Drives: 2008 135i Convertible
Join Date: Jun 2009
Location: Kitchener ON

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Quote:
Originally Posted by Fluffy bastard View Post
You have to know that bmw dealership should retrofit MPPK through IRAP to install it correctly. It can't work properly another way. Do you have bubbling when the gear changes?
What does this mean exactly?
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