Thread: Post-P/GPF M4 Competition Pack quieter?
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      10-17-2018, 01:09 PM   #33
Nigelo
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Drives: E92 335i se
Join Date: Aug 2011
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Quote:
Originally Posted by bry777 View Post
Where does the .1 bar increase info come from? I have googled to death and cannot find anything about it.
This article here....


https://carbuzz.com/reviews/2019-bmw...german-hot-rod
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