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      09-26-2016, 06:48 AM   #32
timothy2001
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Drives: 2011 E92 M3 6MT ZCP
Join Date: Oct 2014
Location: NE Florida

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2011 M3 E92  [0.00]
Quote:
Originally Posted by aaron_ View Post
don't get a jb4. lots of people with N55's have problems after installing, myself included. wont go into it. but long story short it was the worst mod EVER!!! just get a custom flash tune. yes its more $ but its consistent, safer power (with regards to timing etc). and doing it once is cheaper than getting rid of the jb and doing it after.

seems to be better on N54's though
This is the exception not the rule. JB4 has been awesome especially for a rookie like myself.

The very, very first thing you should do is get an aftermarket charge pipe and install it yourself.
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