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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N55 Turbo Engine Tuning and Exhaust Modifications - 335i Tuning > I think I finally got my auto-tune correct. Jb4+e85



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      02-24-2014, 12:23 PM   #1
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I think I finally got my auto-tune correct. Jb4+e85

Was with a couple of friends showing them the tune. Took the car up to around 125mph. When I hit 4th gear I was reading boost at around 18-19psi. I was consistently hitting 13-15 psi prior to this run. Now the car pulls so hard! Can't believe I've been missing all this power before. I think it's time for an aftermarket chargepipe now!
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      02-24-2014, 12:32 PM   #2
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Sounds about right... Not quite sure what you did differently..?
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      02-24-2014, 12:46 PM   #3
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Quote:
Originally Posted by mashimarho View Post
Sounds about right... Not quite sure what you did differently..?
my guess is the JB took a little longer to auto tune to his parts..?

but still im chillen on cobb and basically hit 21 psi
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      02-24-2014, 12:49 PM   #4
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Originally Posted by pjdizzle94 View Post
my guess is the JB took a little longer to auto tune to his parts..?

but still im chillen on cobb and basically hit 21 psi
shut up shut up shut up shut up shut up shut up
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      02-24-2014, 12:51 PM   #5
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yeah map 5 has been giving me lower boost too haha than again I'm pretty much stock
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      02-24-2014, 01:08 PM   #6
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I think I finally had enough room for the auto tune to adjust to my mods. Giving it some WOT run in 4th after a full 3rd gear pull must've done the trick. Either way, I was pretty happy at 14psi. Now I'm stoked lol
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      02-24-2014, 01:13 PM   #7
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Originally Posted by Andrewe92 View Post
yeah map 5 has been giving me lower boost too haha than again I'm pretty much stock
what boost you see in map 5
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      02-24-2014, 01:14 PM   #8
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Quote:
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Originally Posted by Andrewe92 View Post
yeah map 5 has been giving me lower boost too haha than again I'm pretty much stock
what boost you see in map 5
I'll get back to you with a number when I leave work, I've been running map 1 for the most part until I get a cp and intake
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      02-24-2014, 01:17 PM   #9
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Quote:
Originally Posted by pjdizzle94 View Post
my guess is the JB took a little longer to auto tune to his parts..?

but still im chillen on cobb and basically hit 21 psi
Meh. Lol... I think I set a parameter to not boost over 20psi. Don't quote me on that though
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      02-24-2014, 01:19 PM   #10
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Quote:
Originally Posted by marCOCOpuffs View Post
Meh. Lol... I think I set a parameter to not boost over 20psi. Don't quote me on that though
hahaha i didnt think i was gonna hit 21. i was running around 18-19 on the dyno with stage 2+ on my cobb and then we had a crazy run on the dyno and i hit like 20.76
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      02-24-2014, 07:08 PM   #11
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Quote:
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Originally Posted by marCOCOpuffs View Post
Meh. Lol... I think I set a parameter to not boost over 20psi. Don't quote me on that though
hahaha i didnt think i was gonna hit 21. i was running around 18-19 on the dyno with stage 2+ on my cobb and then we had a crazy run on the dyno and i hit like 20.76
What ya dyno at?
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      02-28-2014, 12:41 AM   #12
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Quote:
Originally Posted by marCOCOpuffs View Post
Was with a couple of friends showing them the tune. Took the car up to around 125mph. When I hit 4th gear I was reading boost at around 18-19psi. I was consistently hitting 13-15 psi prior to this run. Now the car pulls so hard! Can't believe I've been missing all this power before. I think it's time for an aftermarket chargepipe now!
I'm selling a ER charge pipe
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      02-28-2014, 09:12 AM   #13
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How much bro? Why you selling?
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      03-04-2014, 10:48 PM   #14
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Boosted over 20 today. CEL came on briefly and I was knocked to map 4. Has this happened to anyone else?
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      03-04-2014, 11:34 PM   #15
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you have to change your max boost settings to boost limit 20 psi this will not happen again if that is the reason you got kicked into map4
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      03-05-2014, 12:34 AM   #16
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Quote:
Originally Posted by firemanjust1 View Post
you have to change your max boost settings to boost limit 20 psi this will not happen again if that is the reason you got kicked into map4
I thought I had set that... Do you have a link so I can be sure?
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