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      06-09-2012, 12:06 PM   #6
SRT14PimPin07's Avatar
Drives: BMW 335i Coupe
Join Date: Jun 2009
Location: Los Angeles

Posts: 900
iTrader: (2)

They should be the same. But from what I have read, people have been having some problems with proceed so I would go with the JB4 only because it's such a popular tune for our cars.

Ive had the JB4 for 5 months now and still no issues. I just installed it and forgot about "Knock on wood"
2011 Alpine White E92 335i M-Sport N55 Engine
SRT14PimPin07 is offline   Armenia
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