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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 > GruppeM Intake vs. Dinan Ram Air Intake vs. BMW Perf Intake



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      04-19-2009, 08:08 PM   #23
Andrew@ET
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Why isn't the afe intake in this comparison?
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      04-20-2009, 07:47 AM   #24
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Quote:
Originally Posted by Andy@LTBMW View Post
The difference is the design of the intakes. The BMW performance intake has a wider channel for air to flow into compared to a stock intake box. The filter is a flat panel. The gruppe M is a open intake and doesn't have a enclosure. The filter is a cone. I would say that in terms of cabin noise, the gruppe M produces a lot more noise, while the box is quieter simple because of the flat fliter versus a cone filter. I have a gruppe M and it usually kicks in after 2500 rpm compared to a stock intake which is pretty even.

I feel there is a huge difference when I run a gruppe M veruss the stock box.

I think the Dinan intake maybe able to get you a little bit colder air, but because of the intake box design, I can't see how much of a difference it would make.
In Europe, the BMW filter is a cone shaped one with the performance intake.
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      05-18-2009, 10:57 PM   #25
ska///235i
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I thought that the lower grill vents direct air to the wheel to cool down the brakes?
It can not reach to the engine bay...maybe I'm wrong

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Originally Posted by nyc3r View Post
the gruppe m is shielded from engine heat, the opening is in the bottom that will get air from the front lower left grill.
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      05-18-2009, 11:52 PM   #26
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Quote:
Originally Posted by noire07 View Post
BMW Performance Intake feels a lot better when you cut out the stupid carbon filter in the housing.
mind commenting a little more? and what's the process entail regarding the carbon filter removal...? Is it a PITA?

edit [Charcoal removal DIY]: http://www.e90post.com/forums/showth...filter+removal

I have like 7k more miles until my warranty runs out... Guess I'll be doing this soon after.

Anyway, I love my BMW Performance Intake. Not much of a sound increase, but I feel a recognizable improvement in throttle response throughout the entire rev band. I have no regrets whatsoever with this intake. Oh, I also have the MFD Air Scoops paired with this intake -- more air couldn't hurt right
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      06-02-2009, 12:27 AM   #27
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Can you buy the EURO bmw performance intake if you want the cone type intake instead of the flat panel type?
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      06-02-2009, 02:58 PM   #28
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Can you buy the EURO bmw performance intake if you want the cone type intake instead of the flat panel type?
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