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E90/E91/E92/E93 (2006 - 2013)
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  #1  
Old 11-25-2013, 03:52 PM
Mishimoto Mishimoto is offline
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Mishimoto 335i Intercooler Testing!

The engineers at Mishimoto have been busy testing one of our latest products, the 335i performance intercooler. We dyno tested this intercooler multiple times, performing 4th gear, and 1st-4th gear pulls.

We tested several different core configurations to find the most optimal core for these cars. The final result was a 22% thicker core, with a 35 degree reduction in AITs, and a gain of 21hp and 24tq!

Check out the engineering report for the full write-up.
http://lib.store.yahoo.net/lib/yhst-...ringreport.pdf









Let us know your questions and comments below.

Thanks,
Tyler
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  #2  
Old 11-25-2013, 07:33 PM
TXFred TXFred is offline
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Why was there a 20 degree difference in inlet temperatures between the stock intercooler and yours? Your outlet temperature is lower, but so was your inlet temperature. It makes it difficult to judge the effectiveness of your intercooler.

Frederic
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  #3  
Old 11-26-2013, 08:47 AM
JMEngland88 JMEngland88 is offline
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Yea according to your little graph, the outlet temperature in relation to the inlet temperature is nearly the same between the stock intercooler and your aftermarket one. If the case truly is that the runs done with your aftermarket intercooler were done with lower intake temps, that also could negate the gains that you're claiming. A run done with a 20 degree lower intake temp with the stock intercooler could very well make a decent amount more power than one with higher temps. Is the higher intake temp due the piping leading up to the intercooler heat soaking?

Not saying the intercooler is junk or anything, don't get me wrong, just trying to clarify

Last edited by JMEngland88; 11-26-2013 at 09:01 AM.
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  #4  
Old 11-26-2013, 08:54 AM
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This is why I love these boards: someone here will always ask the right questions.
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  #5  
Old 11-26-2013, 12:09 PM
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Agree, the response should be interesting
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  #6  
Old 11-26-2013, 12:47 PM
Mishimoto Mishimoto is offline
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Quote:
Originally Posted by TXFred View Post
Why was there a 20 degree difference in inlet temperatures between the stock intercooler and yours? Your outlet temperature is lower, but so was your inlet temperature. It makes it difficult to judge the effectiveness of your intercooler.

Frederic
Quote:
Originally Posted by JMEngland88 View Post
Yea according to your little graph, the outlet temperature in relation to the inlet temperature is nearly the same between the stock intercooler and your aftermarket one. If the case truly is that the runs done with your aftermarket intercooler were done with lower intake temps, that also could negate the gains that you're claiming. A run done with a 20 degree lower intake temp with the stock intercooler could very well make a decent amount more power than one with higher temps. Is the higher intake temp due the piping leading up to the intercooler heat soaking?

Not saying the intercooler is junk or anything, don't get me wrong, just trying to clarify
Great question! The reason our inlet temperatures are different is because the graphs are based off an average of 3 dyno runs. The temperatures were equal at the first run for both the stock and Mishimoto intercoolers. During the testing, the car was given 3 minutes between each run to cool off.

Due to the all-aluminum construction of the Mishimoto Intercooler, it had the ability to dissipate heat more efficiently, allowing the car to cool down quicker. The stock intercooler was heat soaking, which caused the inlet temperatures to be higher than ours. Hopefully this helps, and please let me know if you have any other questions.

Thanks,
Tyler
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  #7  
Old 11-26-2013, 03:09 PM
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I am not understanding something. I can see heat soak effect the output side, by why would it effect the input side?
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  #8  
Old 11-26-2013, 04:34 PM
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ModBargains IV ModBargains IV is offline
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Originally Posted by bear-avhistory View Post
I am not understanding something. I can see heat soak effect the output side, by why would it effect the input side?
Maybe condensation build up? Usually that's the most common issue with most of the intercoolers available in the market.

Just my .02.

-Frank
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  #9  
Old 11-27-2013, 06:34 AM
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CALWATERBOY CALWATERBOY is offline
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Originally Posted by ModBargains IV View Post
Maybe condensation build up? Usually that's the most common issue with most of the intercoolers available in the market.

Have not looked into available FMIC's, but do know something of heat exchangers and condensation....no trap on these units?

FAIL!!


There's gotta be pain in Florida.




.

Last edited by CALWATERBOY; 11-27-2013 at 06:43 AM.
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  #10  
Old 12-03-2013, 03:50 PM
Mishimoto Mishimoto is offline
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Quote:
Originally Posted by bear-avhistory View Post
I am not understanding something. I can see heat soak effect the output side, by why would it effect the input side?
Our sensors were placed on the actual end tanks, at the opening of the inlet and outlet. If you look at the design of our end tanks vs. the stock intercooler, you can see that our end tanks are formed for more efficient air flow. Because of the geometry of our end tanks, and the larger internal volume of our intercooler, the heat is able to disperse more effectively, causing lower inlet temperatures. This, combined with the heat soak effect I explained earlier, is why there is a difference in the inlet temperatures during our testing. Hopefully that clears everything up.

Thanks,
Tyler
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  #11  
Old 10-19-2014, 01:21 AM
kthxtyler kthxtyler is offline
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Quote:
Originally Posted by CALWATERBOY View Post
Have not looked into available FMIC's, but do know something of heat exchangers and condensation....no trap on these units?

FAIL!!


There's gotta be pain in Florida.




.
Mishimoto...what is he referring to exactly?
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  #12  
Old 10-19-2014, 07:30 AM
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rdkind62 rdkind62 is offline
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Originally Posted by kthxtyler View Post
Mishimoto...what is he referring to exactly?
Are you asking what a Mishimoto is or what he is saying? If you are asking what a Mishimoto is, in this case it is a name brand for a FMIC (front mount intercooler). There are lots of them out there. If you are asking what he is talking about I'll let you ask him that one.
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  #13  
Old 10-19-2014, 12:25 PM
kthxtyler kthxtyler is offline
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Quote:
Originally Posted by rdkind62 View Post
Are you asking what a Mishimoto is or what he is saying? If you are asking what a Mishimoto is, in this case it is a name brand for a FMIC (front mount intercooler). There are lots of them out there. If you are asking what he is talking about I'll let you ask him that one.
I'm asking him to address the issue asked by CAL. Haha. I'm in the market for an FMIC and want to know what I'm getting should I choose a Mishimoto.
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  #14  
Old 10-19-2014, 12:33 PM
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galahad05 galahad05 is offline
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Looks like Cal is talking about a condensation trap to me. His Florida rainstorm pic is used to highlight his point--hot humid air compressed further then sudden cooled = condensation. Where does this water go?
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