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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i > jb+ adjustable but what psi?



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      01-07-2011, 08:29 PM   #1
michaelalex17
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jb+ adjustable but what psi?

i am working with changing the boost levels on my jb+ but i cant find
anywhere on the internet is there like a chart that says like at the 3' o
clock positions you get ....psi i on burger motorsports website it says adjustable from 1.75psi over stock at the lowest setting and 2.74 at 50% and up to ~4.75psi at max setting but i dont see where it says where to adjust the dial to get the desired psi. thanks

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      01-07-2011, 08:37 PM   #2
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You may just have to do the math yourself with 1.75psi being 50% (0) and 4.75psi being 100% (4). From 50% to 100%, every 10% increment should be approximately 0.6 psi. So overall, 50% (default) will be 1.75 over stock, then every 10% till you get to 100% should add about 0.6 psi.

That would be my best guess in 2 minutes.
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      01-07-2011, 08:40 PM   #3
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thank you for your response. 1.75 isnt 50%, its the lowest setting. 2.75 is 50%
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      01-07-2011, 09:07 PM   #4
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No prob. I thought 50% was the lowest setting.
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