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      01-12-2011, 04:40 AM   #1
yabbanoname
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Exclamation JB4 beta installed?

Did somebody take the plunge ?
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      01-12-2011, 05:13 AM   #2
godius
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I got jb3 2.0, which works great, but JB4 has some really neat features.



check that
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      01-13-2011, 09:53 PM   #3
scott135i
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Installing on my Z4 this weekend... feedback to follow.

Already installed on my 135i.
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      01-13-2011, 10:36 PM   #4
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      01-17-2011, 02:32 PM   #5
yabbanoname
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Quote:
Originally Posted by scott135i View Post
Installing on my Z4 this weekend... feedback to follow.

Already installed on my 135i.
And ?
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      01-18-2011, 10:12 AM   #6
Land_Shark
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And?..?
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      01-18-2011, 07:09 PM   #7
persian54
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i have a Jb4 Alpha on mine
then JB4 beta

loved it

353whp and 349wtq with only tune!

base dyno at 276 if i remember right

great power bump
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