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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > NA Engine (non-turbo) / Drivetrain / Exhaust Modifications > AA Tune and AFE Intake



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      11-07-2013, 11:25 AM   #1
eldogo
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AA Tune and AFE Intake

A few shots of the ride. AA Tune and AFE intake. I was advised by AA to put back the stock intake because of the AFE pipe dimension gives out bad readings which will end up loosing 10hp. Does anyone have the same setup?
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      11-07-2013, 01:43 PM   #2
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lots of guys say to not use anything but the stock intake or euro box.
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      11-07-2013, 01:57 PM   #3
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Oh ok. I guess ill have to do that. I always wondered why alot of members are selling their AFE intakes. Thanks
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      11-07-2013, 02:06 PM   #4
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Let me know if you are trying to sell your aFe.
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      11-07-2013, 02:20 PM   #5
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Quote:
Originally Posted by Rival View Post
lots of guys say to not use anything but the stock intake or euro box.
With or without a tune though? I thought wit ha tune an aftermarket intake is beneficial.
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      11-07-2013, 03:03 PM   #6
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I run the AFE sealed intake w pro dry and the AA tune. Noticed no losses. Makes the car sound great. I would confirm with them which intake they are talking about. They could be referring to the open air version.
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      11-07-2013, 03:19 PM   #7
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@Johnny D I couldnt notice a difference but here is the email they sent me, what do u think?

I would actually recommend you don't use the AFE system
because of findings on our own dyno. After the car adapts and a few
miles have been covered you will actually lose up to 10hp at the
wheels. This is due to the pipe not being identical size/shape/flow of
the stock box causing the MAF to get a bad signal. I would replace it
with the stock box and a drop-in filter.
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      11-07-2013, 04:27 PM   #8
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Quote:
Originally Posted by eldogo View Post
A few shots of the ride. AA Tune and AFE intake. I was advised by AA to put back the stock intake because of the AFE pipe dimension gives out bad readings which will end up loosing 10hp. Does anyone have the same setup?

Just to clear some things up.. We have not tested that particular intake only the open air box.
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      11-08-2013, 01:26 AM   #9
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Quote:
Originally Posted by Andrew@ActiveAutowerke View Post
Just to clear some things up.. We have not tested that particular intake only the open air box.
So what you are telling me is that there's hope?
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      11-08-2013, 01:31 AM   #10
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AFE Stage 2SI is fine, it's the open box one people use that say is heat soaking their engines. I've had mine for about 7k and no problems ever. Euro uses same cone type, it's just OEM for EU.
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      11-08-2013, 01:32 AM   #11
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Quote:
Originally Posted by Johnny D View Post
I run the AFE sealed intake w pro dry and the AA tune. Noticed no losses. Makes the car sound great. I would confirm with them which intake they are talking about. They could be referring to the open air version.
+1 except I don't run a tune yet.
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      11-08-2013, 01:49 AM   #12
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Quote:
Originally Posted by Eagle1oh7 View Post
AFE Stage 2SI is fine, it's the open box one people use that say is heat soaking their engines. I've had mine for about 7k and no problems ever. Euro uses same cone type, it's just OEM for EU.
The heat soak was not the reason it lost power though.. We had the hood open with 3 fans so thats not it. I believe the issue was caused by the maf placement. The car was not getting a very good reading causing a jumpy Afr.
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      11-08-2013, 02:35 AM   #13
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Quote:
Originally Posted by Andrew@ActiveAutowerke View Post
The heat soak was not the reason it lost power though.. We had the hood open with 3 fans so thats not it. I believe the issue was caused by the maf placement. The car was not getting a very good reading causing a jumpy Afr.
That was part of the reason for the heat soak issues too I think. Somebody came up with the fix though.
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      11-08-2013, 10:18 AM   #14
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Thanks guys. Andrew@ActiveAutowerke, do you advice putting the stock back in so i take full advantage of the tune?
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      11-08-2013, 12:16 PM   #15
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I have the tune and the afe sealed intake. Everything is fine!
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      11-08-2013, 12:40 PM   #16
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Quote:
Originally Posted by puffer View Post
I have the tune and the afe sealed intake. Everything is fine!
Yea but having a dyno after it adapted would be pretty cool. To see if it helps or hurts power figures.
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      11-08-2013, 03:57 PM   #17
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Quote:
Originally Posted by puffer View Post
I have the tune and the afe sealed intake. Everything is fine!
That's what our customer said to until we got it on the dyno. Regardless we have nothing against Afe so I hope it was just an isolated case.
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      11-09-2013, 04:04 AM   #18
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I'm still not sure if I notice the AA tune...wish I can get a dyno to see it on paper but thats so expensive.
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      11-10-2013, 09:33 PM   #19
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Quote:
Originally Posted by Andrew@ActiveAutowerke View Post
That's what our customer said to until we got it on the dyno. Regardless we have nothing against Afe so I hope it was just an isolated case.
I thought u guys only tested it out on the open intake which has known MAF sensor issues.
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      11-10-2013, 10:42 PM   #20
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how about someone with the tune and sealed intake dynos it?
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      11-11-2013, 11:04 AM   #21
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Thats true, i wish AA had some dyno vidoes supporting their tune and products.
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      11-12-2013, 10:14 AM   #22
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Quote:
Originally Posted by puffer View Post
I thought u guys only tested it out on the open intake which has known MAF sensor issues.

I stated just that above. We have not dynoed a sealed airbox.

http://www.e90post.com/forums/showpo...92&postcount=8
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Last edited by Andrew@ActiveAutowerke; 11-12-2013 at 10:27 AM.
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