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E46 M3 (2001-2006) Engine: S54 - Max Hp: 333 hp at 7,900 rpm / 262 lb/ft at 4,900 rpm
Total Produced: 45,000+ - Years Produced: 2001 to 2006.


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Old Thu, Jun-11-2015, 08:24:57 PM   #1
sam_a156
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Default Eventuri intake review incl pre/post dyno

I completed the installation already some time ago but just did not have the time to share.

I was always surprised to find very few independent before/after dyno tests from this kit so I decided to do it properly. Okay, it was not the same day & same conditions, but the same dyno nevertheless with the same operator and about a week in between the runs.

First, the sound. Wow. Quoting my indy mechanic: “it sounds brutal”. Granted, windows down the sound is really quite amazing and loud. Windows up, you can certainly hear the difference even low down under load, but it is still nice and quiet while cruising - event at 180km/h on the autobahn. For me, the sound is perfect. I would not like it much louder than this. My friend told me that the system “looks like a speaker”. In fact, it probably works a bit like one - but the sound is directed forward.

As for performance, it is difficult to tell +10-15hp in a 340hp car on a butt dyno. It did feel faster, but was it just the sound affecting the “calibration”? So I did the before/after test. The result was +13hp. What is more, it was around 4C warmer during the second test. While the dyno does adjust for the conditions, the dyno operator told me that based on his experience this difference might cause even 3-5hp difference in the actual measured hp.



Quality of the carbon fibre is top notch. We had a defective MAF tube though with an air leak. Evolve was quick to respond and to offer a replacement part. However, we decided to glue it together ourselves to save time.

I was initially planning to go for the carbon box, but I chose this instead due to the fact that the installation is plug an play and no alpha-n remaps etc are required. Some have reported poor throttle response on partial loads with alpha-n and to my knowledge the only real solution is to splash out more €€€ on the CSL hardware.

The car has not been tuned yet as I am planning to install Supersprint stepped headers first. But I think that this was one of the best mods I have done to this car. With the stepped headers, high flow cats and tune - hoping to be around 360-370hp (crank) mark

Last edited by sam_a156; Thu, Jun-11-2015 at 10:54:04 PM.
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Old Thu, Jun-11-2015, 10:11:25 PM   #2
m3new
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Default Re: Eventuri intake review incl pre/post dyno

Nice results.

Last edited by m3new; Sun, Jun-14-2015 at 11:50:06 AM.
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Old Thu, Jun-11-2015, 10:16:51 PM   #3
techart
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Default Re: Eventuri intake review incl pre/post dyno

Quote:
Originally Posted by m3new View Post
would you mind doing the same with a K&N air filter, would love to see that as I think this kit is massively over rated.
IMO this kit sounds much better than KN, not sure about performance stuff though.
I think the shape of it actually magnifies sound coming out of intake manifold.

Reminds me of a documentary video about Lexus building LFA, the intake manifold on LFA is tuned by Yamaha Instruments like an actually music box.
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Old Thu, Jun-11-2015, 10:27:07 PM   #4
sam_a156
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Default Re: Eventuri intake review incl pre/post dyno

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Originally Posted by m3new View Post
would you mind doing the same with a K&N air filter, would love to see that as I think this kit is massively over rated.
I did my part, I welcome your results for the K&N!
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Old Thu, Jun-11-2015, 10:41:42 PM   #5
m3new
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Default Re: Eventuri intake review incl pre/post dyno

I cant sorry I have the proper airbox with CSL soft.
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Old Thu, Jun-11-2015, 10:43:11 PM   #6
sam_a156
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Default Re: Eventuri intake review incl pre/post dyno

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Originally Posted by m3new View Post
I cant sorry I have the proper airbox with CSL soft.
Good for you.
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Old Thu, Jun-11-2015, 10:50:25 PM   #7
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Default Re: Eventuri intake review incl pre/post dyno

very cool. thanks for the update.
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Old Fri, Jun-12-2015, 02:35:09 AM   #8
Headlock
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Default Re: Eventuri intake review incl pre/post dyno

Quote:
Originally Posted by sam_a156 View Post
I did my part, I welcome your results for the K&N!
lol people are never happy are they. someone finally does an independent dyno for this kit and it's still not good enough.

thanks for posting the results. I'm fairly impressed it made any difference, an air intake is not something you install by itself for the power gains.
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Old Fri, Jun-12-2015, 05:42:32 AM   #9
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Default Re: Eventuri intake review incl pre/post dyno

wow thats legit! impressive stuff . However, how many runs did u do? I find that doing 3 dyno runs to get an accurate gauge each time is best. My car does 10 whps more in the second run than in the first one, two minutes apart, but it definatly looks good.
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Old Fri, Jun-12-2015, 06:10:13 AM   #10
sam_a156
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Default Re: Eventuri intake review incl pre/post dyno

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Originally Posted by Headlock View Post
lol people are never happy are they. someone finally does an independent dyno for this kit and it's still not good enough.

thanks for posting the results. I'm fairly impressed it made any difference, an air intake is not something you install by itself for the power gains.
Indeed, this crowd is hard to please

I was a bit sceptical myself. But I got tired waiting for the independent dyno results...

Quote:
Originally Posted by HassanEido View Post
wow thats legit! impressive stuff . However, how many runs did u do? I find that doing 3 dyno runs to get an accurate gauge each time is best. My car does 10 whps more in the second run than in the first one, two minutes apart, but it definatly looks good.
We did two runs. As the 2nd run was a carbon copy of the 1st one the dyno operator was happy to leave it at that.
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Discussing Eventuri intake review incl pre/post dyno in the E46 M3 (2001-2006) Forum - Engine: S54 - Max Hp: 333 hp at 7,900 rpm / 262 lb/ft at 4,900 rpm
Total Produced: 45,000+ - Years Produced: 2001 to 2006. at BMW M3 Forum.com (E30 M3 | E36 M3 | E46 M3 | E92 M3 | F80/X)