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BMW 3-Series (E90 E92) Forum
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N55 ISO Boost targets
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04-06-2013, 12:43 AM | #1 |
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N55 ISO Boost targets
On map 5, I was seeing my boost hijack go 3/4 of the way up the scale. I think that corresponds to around 17ish psi. Does that sound right?
I'm on Cal 91 octane. To be fair, I just finished the ISO mod and drove around the block real quick. So I haven't given it enough time for adaptation. On the other side, it DOES feel smoother. I didn't think that subjectively I'd feel that much of a difference, but WOW. |
04-06-2013, 06:34 AM | #2 |
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Drives: '11 E92 335i
Join Date: Jul 2008
Location: Jacksonville, Fl
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log your runs in 3rd gear starting at approx 2000 rpm w/o the kick down switch to WOT. but to "roughly" translate 3/4 on the hijack would be about 16-17 psi.
Logs tell you everything you need to know. -highly recommended when tuning....
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-madmanhiker jax,fl
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