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      10-23-2008, 09:11 PM   #82
Alvinlun
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Drives: E92M3 and Z33
Join Date: Feb 2008
Location: HK

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Quote:
Originally Posted by hankit View Post
I want to ask...you have gruppe M already install right? does BMW complain to you that you have switch out the factory box??

I was planning to get it, but i haven't break in the car...
no they didn't complain me, they should know that change a Intake/outtake is a common things nowadays