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      03-04-2009, 07:59 PM   #1
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fake vent

is anyone else removing there passenger side rubber vent block off in the hood so that cold air gets in or the hot gets out? Seems pretty dumb to have a fake vent. I actually removed mine and cut the inside rubber out so it looks like the other side.
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      03-04-2009, 08:01 PM   #2
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im pretty sure its that way for "functionality"
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you cannot buy a M3 for a commuter. it is only to be used on the tract. It drives horrible on the freeway, and is very uncomfortable for any longer then 20 minutes.
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      03-04-2009, 08:26 PM   #3
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well now mine is actually functional.
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      03-04-2009, 08:37 PM   #4
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Originally Posted by chriszeh View Post
well now mine is actually functional.
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      03-04-2009, 08:44 PM   #5
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rain /washing

what about when it rains or you wash it ?????
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      03-04-2009, 08:50 PM   #6
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water is already running through your intake on the other side more worried about that then my valve cover getting wet.
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      03-04-2009, 08:52 PM   #7
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i've done the same, however it makes sense to have two than just one, that would look awkward.
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      03-04-2009, 08:54 PM   #8
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agreed
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      03-04-2009, 09:46 PM   #9
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Quote:
Originally Posted by BCMPOWER View Post
i've done the same, however it makes sense to have two than just one, that would look awkward.
Agreed
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      03-04-2009, 11:04 PM   #10
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I removed that little rubber cover as well, the way i see it, it helps the engine heat escape. doesnt that kinda make sence. i dont see the point of that vent being covered...but it would be nice if some one would make and intake that would use that vent as well, that would be nice....
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      03-04-2009, 11:07 PM   #11
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i removed mine and cut the center section out so that it looks like the driver side rather than just take it off all together.
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      03-04-2009, 11:46 PM   #12
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Quote:
Originally Posted by Laszlo View Post
I'm surprised there isn't an intake that uses both... I wonder if that could be done... and if so... how much power it would really produce. I think it would produce a lot, and BMW knew this, so they didn't use it to get through emissions etc. Anyone think this?
Nope!!!

How much horsepower do you really think that a second vent in the hood could make???? The damn engine makes 103.5 BHP/L for christ sakes. The big $$$ Gruppe M Intake makes next to no power and mirrors the stock design. In fact PG said in his dyno results of said intake that the high flow filter in the Gruppe M intake was probably responsible for the gain. The intake is "NOT" a bottleneck on these cars, and infact is very well designed..... the only limiting factor on the intake of this car is the integral carbon element that is a part of the stock filter assembly. Put in an aftermarket filter sans carbon element and you basically have 99% of what an intake can do on this car.

Case in point, the RD Sport RS46 stroker engine uses a OEM airbox that is unmodified with the exception of a drop in filter...... the engine in question will make 520+ BHP.
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      03-04-2009, 11:54 PM   #13
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just pop them both out altogether
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      03-05-2009, 12:52 AM   #14
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i dont think it will make any extra horsepower cuting out the passenger side vent but it seems silly like i said to have a fake vent. At least the hot air in the engine or the colder air outside has another route in and out of that beast.
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      03-05-2009, 01:18 AM   #15
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Quote:
Originally Posted by chriszeh View Post
i removed mine and cut the center section out so that it looks like the driver side rather than just take it off all together.
Do you have any pics???
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      03-05-2009, 02:26 AM   #16
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good job.
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      03-05-2009, 10:24 AM   #17
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non-researched home made mods FTL...
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      03-05-2009, 10:54 AM   #18
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whats to research? the vent was intented for a purpose other than just looking cool. do you have a huge wing on the back of your car?
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      03-05-2009, 11:43 AM   #19
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heres the vent. Nothing fancy needs a little more cleaning up so gotta take it back off.
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      03-05-2009, 11:54 AM   #20
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^ did you use your teeth to cut that off? Definately need to make that look a bit cleaner...
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      03-05-2009, 12:09 PM   #21
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Quote:
Originally Posted by ///Metak View Post
^ did you use your teeth to cut that off? Definately need to make that look a bit cleaner...
Its not like you see the cutout from outside, that pic was taken from the inside when the hood is open!
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      03-05-2009, 12:12 PM   #22
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Design something that makes the vent draw heat out of the engine bay rather than trying to force air in.
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