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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i > Real AIT temps.



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      04-21-2009, 10:32 PM   #1
Bubbles
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Real AIT temps.

Real AIT temps from a 30 minute track session. Ambient temps 80-85. So tell me what intercooler is up to the task?
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      04-21-2009, 10:42 PM   #2
Ilma
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Do you not have the Dinan intercooler? or is yours stock.
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      04-21-2009, 10:44 PM   #3
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I heard from a birdy that a IC is in production for the N54 with an internal Co2/N2o spray array...
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      04-21-2009, 11:31 PM   #4
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Is that on the stock i/c?
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      04-21-2009, 11:42 PM   #5
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How are you reading the air temp?
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      04-22-2009, 06:20 AM   #6
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Quote:
Originally Posted by Ilma View Post
Do you not have the Dinan intercooler? or is yours stock.
Stock.

Quote:
Originally Posted by Curt2000 View Post
I heard from a birdy that a IC is in production for the N54 with an internal Co2/N2o spray array...
Interesting, tell us more.

Quote:
Originally Posted by S2K335 View Post
Is that on the stock i/c?
Stock.

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Originally Posted by TMR View Post
How are you reading the air temp?
With iPhone, Rev.
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      04-22-2009, 07:19 AM   #7
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This is exactly what is expected. I produced 152 F on the stock IC on easily on multiple runs. There is an easy solution, upgraded IC!
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      04-22-2009, 07:40 AM   #8
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Quote:
Originally Posted by Former_Boosted_IS View Post
This is exactly what is expected. I produced 152 F on the stock IC on easily on multiple runs. There is an easy solution, upgraded IC!

I need a guarantee these temps will improve.

Money-back.
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      04-22-2009, 07:58 AM   #9
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Quote:
Originally Posted by Bubbles View Post
I need a guarantee these temps will improve.

Money-back.
I had similar results to yours and dropped an average of 38-40 degrees per run when I upgrade mine with the Active Autowerke intercooler.

That is an enormous improvement.
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      04-22-2009, 08:44 AM   #10
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Quote:
Originally Posted by Former_Boosted_IS View Post
I had similar results to yours and dropped an average of 38-40 degrees per run when I upgrade mine with the Active Autowerke intercooler.

That is an enormous improvement.
kinda off topic maybe, but with 40 degree cooler IC temps, how much power is that.

Or comparing 100* AIT to 150*AIT, what would you say is the power loss there? 15hp? more/less?
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      04-22-2009, 08:59 AM   #11
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Quote:
Originally Posted by 1LUMI335 View Post
kinda off topic maybe, but with 40 degree cooler IC temps, how much power is that.

Or comparing 100* AIT to 150*AIT, what would you say is the power loss there? 15hp? more/less?
This really depends on a lot of things. AIT boost decay, Pressure Drop, etc. Really it all comes down to what you tuner lets you run.

One thing that is a fact, lowering the AITs will keep power a lot longer. The stock IC is simply horrible. It is very inefficient and heat soaks fast. I would strongly suggest getting a new one as one of your first mods.

Check the thread I wrote on AITs and the AA intercooler.
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      04-25-2009, 09:21 PM   #12
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Do you have data from prior to your IC cleaning?

I'm curious if your cleaning had a significant positive impact.

I have plenty of on-track data from the stock IC. I easily get up to and above 200F. If a vendor is willing to guarantee IAT drop during a 20 minute track session, I'll test and post up comparative data.

An IC being effective over a 20 second pull is completely different than an IC being effective over a 20 MINUTE session.
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      04-26-2009, 08:48 AM   #13
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Quote:
Originally Posted by leftcoastman View Post
Do you have data from prior to your IC cleaning?

I'm curious if your cleaning had a significant positive impact.

I have plenty of on-track data from the stock IC. I easily get up to and above 200F. If a vendor is willing to guarantee IAT drop during a 20 minute track session, I'll test and post up comparative data.

An IC being effective over a 20 second pull is completely different than an IC being effective over a 20 MINUTE session.
This was post cleaning. I do not have pre-cleaning numbers. I will tell you recovery time was much quicker after cleaning the I/C, however the stock IC is limited.

I agree about track being very different from 20 second pulls, good luck getting that guarantee.
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