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      01-24-2014, 10:29 AM   #1
Bob Z.
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Opinion wanted: Burger "N55 Stage 1" or "N55 JB4"?

2013 135i convertible: current mods are the Berk Race exhaust and BMS intake and I have no plans to do anything else but a tune.

The Stage 1 is $150 less than the JB4, which is not a big deal but I am looking for one that will give me the least amount of hassles.

Thanks in advance...Bob Z.
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      01-24-2014, 10:35 AM   #2
BMist371
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Both are really rather problem free! Many more features like guage hijacking etc with the stage 2. Someone else can chime in about the tunes. I love my stage 2 so far.
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      01-24-2014, 10:45 AM   #3
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Get the Jb4 for better tunes and features (I'd go for the ISO if I was you, maps are buttery smooth)
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      01-24-2014, 10:47 AM   #4
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Quote:
Originally Posted by Venom View Post
Get the Jb4 for better tunes and features (I'd go for the ISO if I was you, maps are buttery smooth)
This exactly.
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      01-24-2014, 12:38 PM   #5
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dont waste your time... pick up the jb4 and do it right the 1st time.
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      01-24-2014, 12:44 PM   #6
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JB4. Love mine.
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      01-25-2014, 12:18 PM   #7
Bob Z.
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Quote:
Originally Posted by Venom View Post
Get the Jb4 for better tunes and features (I'd go for the ISO if I was you, maps are buttery smooth)
Thanks all.

"ISO"?
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      01-25-2014, 01:39 PM   #8
alexmtl_135i
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Stage 1 is no longer supported anyways. Last time I checked ISO was still in beta but that was a long time ago. In any case once you have the JB4 you can always convert it to ISO if you want
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      01-26-2014, 09:53 AM   #9
Bob Z.
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So what is ISO anyway?

I checked with Burger and verified I have the "B" harness and that the JB4 is probably best.
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      01-26-2014, 07:29 PM   #10
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Just saying from memory so I may not be completely accurate, but once you have a JB4 you can convert it to ISO by cutting one pin on the board and uploading a new version of the software and that's about it.
It's supposed to be a little more smooth in the power delivery, but I never had problems with my JB4 so I didn't do it.

I suggest you head to n54tech for more info on all that
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