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      07-18-2013, 05:50 PM   #1
wheelj81
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Drives: 2013 135is
Join Date: Jul 2013
Location: Denver, CO

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Tuning the N54 in high altitude

Hey everyone! I'm new here and I wanted to start a thread just for those of us in the mile high club. I'm in Denver and I've just recently bought a Cobb AP. I've installed the Stage 1 Sport map and have no other mods other than a dual cone intake. Can everyone share your experiences and even the horror stories of tuning in high altitude?

My boost is regularly at 15 psi or so up here and scares the crap out of me with this 91 octane we have to run. I don't have easy access to E85 either.
Appreciate 0