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General E46 Forum
This is the place to get answers, opinions and everything you need related to your E46 (sedan, coupe, convertible and wagon) BMW!

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Old 08-25-2002, 08:11 PM   #1
samir@technik
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GruppeM Intake functionality explained...

Sorry for delaying to address this (my digicam broke and I couldn't take pics)...

Quote:
Originally posted by valerie


It sounds like you enjoyed the sound, but any idea how much air it moves? The headlight assemblies on our cars are very well sealed (rubber seals around the lights and the bumper) - so I'm unclear how its jamming air into the engine. I think (but could be wrong) that the tube aspect of the Dinan and the angle have something to do with airflow and I want to know how exactly this one works to maximize the CAI to the engine in its way...

With the intake removed the engine bay has a straight intake "port" from the fog housing/brake duct area. The GruppeM heat shield is specifically shaped to take advantage of this port by collecting the air as the car is in motion...



in addition to the pressure area around the inner edge of the headlight and driver-side kidney grill...albeit most of the air is collected from the fog housing, additional CFM is generated by the headlight area, which only helps to make more power. The factory intake has a port just for this area as well.





Factory airbox...



Lastly, the heat shield is further cooled by the kidney vent...



The E46 intake system includes the following...



Any questions, please feel free to email me or respond to this thread. I have extended the GB by 3 days till Wednesday.

samir@renn-sport.net
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Old 08-25-2002, 08:22 PM   #2
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damn! too bad I cant afford that intake now, even at GB rates

Someone wanna buy me an intake?
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Old 08-25-2002, 08:28 PM   #3
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One more pic of the intake installed (I chose not to install the optional mount bracket, since it was an eyesore to me...doesn't affect the MAF sensor).

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Old 08-25-2002, 08:31 PM   #4
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Send ya a Email.



-Jesal


You take Credit card.. correct?
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Old 08-25-2002, 08:37 PM   #5
Orient Blue 3
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You think companies like GruppeM would make the rubber sleeve black. ECIS put a black tape around it. Why not just produce it black? It kinda ruins the visual effect with the blue ring IMHO. But if I'm not mistaken they are available at hardware stores right?
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Old 08-25-2002, 08:41 PM   #6
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I acutally like the blue ring...

This is the only intake i like besides the Dinan one... and one thing that worries me about dinan is that its closer to the ground... and with gruppeM I wont have to worry about Hydrolocking.
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Old 08-25-2002, 08:44 PM   #7
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I'd buy it if I wasn't on my 2nd intake already.
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Old 08-25-2002, 08:45 PM   #8
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It may be a question of heat rating.

I was looking around for intake tubing and I found that better rated tubing came in odd colors. However there are some silicone tubing manufacturers that just do show stuff and produce many colors but aren't necessarily high quality couplers and hose.

This isnt hardware store stuff, you want a couple that will last and not crack over time from the heat and wont take on to much heat and heat the air entering the intake track.

Quote:
Originally posted by Orient Blue 3
You think companies like GruppeM would make the rubber sleeve black. ECIS put a black tape around it. Why not just produce it black? It kinda ruins the visual effect with the blue ring IMHO. But if I'm not mistaken they are available at hardware stores right?
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Old 08-25-2002, 08:49 PM   #9
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Re: It may be a question of heat rating.

Quote:
Originally posted by KevinJ_2k1_325ci
I was looking around for intake tubing and I found that better rated tubing came in odd colors. However there are some silicone tubing manufacturers that just do show stuff and produce many colors but aren't necessarily high quality couplers and hose.

This isnt hardware store stuff, you want a couple that will last and not crack over time from the heat and wont take on to much heat and heat the air entering the intake track.


Thanks, i never really thought about that but you think they'd come up with a way to make an effective one that looks purdy.
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Old 08-25-2002, 08:54 PM   #10
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Which has a deeper sound to it.... Dinan or Gruppe??
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Old 08-25-2002, 08:54 PM   #11
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GruppeM also makes intakes for the following cars...

F355


360 Modena


512


996 GT3



996 Twin Turbo


E55


Nissan Skyline GT-R


RX-7 FD3S


And superchargers for the...

NSX


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Old 08-25-2002, 08:54 PM   #12
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Forgive my ignorance, but couldn't you just paint the blue part in any different color with the right kind of paint? (I forget the name, but the spray paint that has high heat tolerance) Or would this compromise the part?
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Old 08-25-2002, 08:54 PM   #13
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only questions i have are.....

1) how are the numbers compared to the usual suspects (dinan, ecis)?

2) how is the sound compared to them

3) do you still have my address or do you need it so you can send me an evaluation unit?
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Old 08-25-2002, 08:54 PM   #14
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Quote:
Originally posted by CrazyBimmer
Which has a deeper sound to it.... Dinan or Gruppe??
I have heard both...definitely the GruppeM.
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Old 08-25-2002, 08:56 PM   #15
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JAb so a search for the dyno Samir posted.
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Old 08-25-2002, 08:57 PM   #16
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also how do you pronounce gruppe?
grup.... group... ???
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Old 08-25-2002, 08:59 PM   #17
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Quote:
Originally posted by jAb

1) how are the numbers compared to the usual suspects (dinan, ecis)?
Expect +4% HP and +5% Torque.

330 Dyno (crank figures are in parenthesis)



Quote:
2) how is the sound compared to them
Will have a sound clip shortly...

Quote:
3) do you still have my address or do you need it so you can send me an evaluation unit?
No
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Old 08-25-2002, 09:10 PM   #18
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Re: Re: It may be a question of heat rating.

Check with summit racing, you can find header wrap. I know I saw it in white and black before. Usually the tape is used for headers but should work nicely to cover the blue.

The best covering for a couple was on a NSX air intake. The coupler was red with fish net on top. You cant get any sexier than that.

Quote:
Originally posted by Orient Blue 3



Thanks, i never really thought about that but you think they'd come up with a way to make an effective one that looks purdy.
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Old 08-25-2002, 09:14 PM   #19
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Question Samir?

How do I participate in the group buy and what kind of warranty does the intake have?

Greg
BMW CCA #168184
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Old 08-25-2002, 09:16 PM   #20
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Does this intake become useless if I get an SC??
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