[Cpatel]

Hey guys.

Installed the JB4 last night. I have a ER charge pipe and VRSF intercooler. Just got the downpipes in the mail today morning but haven't installed it yet.

I can't attach .csv files but to sum it up:
MAP0 PEAK BOOST = 18.5 PSI
MAP1 PEAK BOOST = 21.4 PSI

My questions:

Is this really accurate? I read somewhere that the f30 n26/n20 stock peak boost is only about 16-17. I'm in CA running 91 (max pump octane). Maybe the JB4 is reading wrong? MAP1 peak boost is usually 20 from what people report.

Those of you guys running a n20 or n26, whats the average boost you hold during a WOT? I was able to hold 21PSI for about 4 seconds and then it started dropping and seemed to stabilize around 17.5 but then I had to slow down because I was doing 130. Got to that speed really fucking quick.

ALSO.
I'm using the bluetooth app. How can I activate the gauge sweep on startup? I tried going into the menu as seen in the video below, but holding the BC button does nothing. Another reason why I feel like my JB4 may be defective.

Thanks!

[rjd_F30]

Not a JB4 expert but I can say that looking at some of my stock logs my peak boost was 15-16psi, so pretty much in line with your estimate of 16-17. I would guess the JB4 is reading slightly off, I wouldn't imagine that a stock car would peak at 18.5psi. The JB4 is not the most reliable data logging tool, so I wouldn't be surprised.

[BunkerJ]

Stock should be approximately 17psi. I'm able to run 23psi down to about 22psi at the redline.