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      05-19-2019, 09:24 PM   #123
bigjae1976
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Drives: 11 E90 M3 Individual
Join Date: Mar 2006
Location: Houston, TX

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2004 BMW M3  [4.50]
2011 BMW E90 M3  [5.25]
2013 BMW 328i  [5.00]
Quote:
Originally Posted by admranger View Post
Quote:
Originally Posted by MaX PL View Post
How do you guys go about bleeding air throughout the day to achieve target pressures?

I usually start first session at 27 psi and bleed to that at the start of every session. Is that the right thing to do or I start dropping more the second, third, fourth sessions to hit a magical hot pressure target?
I would adjust pressures as soon as I came off track to get a little lower than the "hot" pressures I was shooting for (since you never truly come off track at peak temps).
This.

Over time, you'll start to learn how much pressure increase you get so you can reliably set cold pressure to achieve the desired hot pressure.
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