E90Post
 


GetBMWParts
 
BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > DIY Guides > DIY Ram Air Scoops



Comment
 
Tutorial Tools Search this Tutorial
DIY Ram Air Scoops
Published by rhodericks335i
05-06-2008
Cool DIY Ram Air Scoops

Wanted to give back for all the useful info I've found on this site. I decied to make my own ram air scoops that go behind the grills and now i want to share.
I searched for ideas and found a couple of good ones but wanted to do something faster, cheaper, and simlpe.
I decided to mount the scoops to the snorkle and avoid drilling any extra holes. I wanted it to be easy to instal and remove if need be. You dont even need to remove the grills, just the two torx srews and the two plastic rivets.
The air deflector comes in two peices. I cut off the magnets that mount itself to an A/C vent and trimed off the sliding tabs to make the scoops semetrical to each other.

Parts: Air Deflector (any hardware store): $6, 3M double sided tape: $3, price for more cooler air...priceless.

Tools: Dremil, file, lighter to melt and clean the cut edges.

Sorry,wasnt able to take pictures of the acttual cutting of the air deflectors but hope the pictures help. I used a table belt/drum sander to remove material and used blue tape to cover areas i didnt want scratched. If you can tell i double sided taped the scoops to the inside of the snorkle but i also added a couple drops of hot glue (or shoe goo) to add strength. You do have the options to paint it but i oppted not to.
Ive had it on for a couple of days now and no problems. Good luck and enjoy!








Tutorial Tools
  #1  
By just4kickz on 05-06-2008, 12:34 AM
pretty nice!
Reply With Quote
  #2  
By drphil71 on 05-06-2008, 12:34 AM
Nice, have you tested under high speeds to make sure it will hold?
Reply With Quote
  #3  
By rhodericks335i on 05-06-2008, 12:40 AM
Member reviews
Difficulty [ 1 = Difficult ]
60%60%60%
3
Cost [ 1 = Expensive ]
100%100%100%
5
DIY Clarity [ 1 = Not clear ]
40%40%40%
2
Average 67%
I sure did, held on normal driving speeds (90mph) on freeways.
Reply With Quote
  #4  
By just4kickz on 05-06-2008, 01:00 AM
haha +1whp?
Reply With Quote
  #5  
By rhodericks335i on 05-06-2008, 01:07 AM
Member reviews
Difficulty [ 1 = Difficult ]
60%60%60%
3
Cost [ 1 = Expensive ]
100%100%100%
5
DIY Clarity [ 1 = Not clear ]
40%40%40%
2
Average 67%
dont forget there are 2 scoops so theres +2whp! lol
Reply With Quote
  #6  
By karliejai on 05-06-2008, 02:29 AM
thats very nicely done!
Reply With Quote
  #7  
By thr33fivei on 05-06-2008, 02:43 AM
Very creative man!!! Nice!!!
Reply With Quote
  #8  
By asdflkijd on 05-06-2008, 02:55 AM
wow, I have one of these right under my desk!, (I'm touching it with my foot to make sure its there ) hmm interesting! have any plans on painting it black?
Reply With Quote
  #9  
By seven_227 on 05-06-2008, 04:27 AM
Great Idea!
Now test it at speeds +150 mph and hold for atleast 3 mins then come back and tell us how it held up..
BTW the you'll notice the air scoop gains at speeds above +90 mph.
Reply With Quote
  #10  
By BuLoOoSki on 05-06-2008, 04:54 AM
isn't that blocking too much air that would usually go to the radiator? thats the radiator behind the scoops right?
Is it fine this way? and has actually anyone done any dyno testing or data logging to prove that these air scoops actually work?
Reply With Quote
  #11  
By rhodericks335i on 05-06-2008, 10:04 AM
Member reviews
Difficulty [ 1 = Difficult ]
60%60%60%
3
Cost [ 1 = Expensive ]
100%100%100%
5
DIY Clarity [ 1 = Not clear ]
40%40%40%
2
Average 67%
Quote:
Originally Posted by thr33fivei View Post
Very creative man!!! Nice!!!

Thanks!
Reply With Quote
  #12  
By rhodericks335i on 05-06-2008, 10:08 AM
Member reviews
Difficulty [ 1 = Difficult ]
60%60%60%
3
Cost [ 1 = Expensive ]
100%100%100%
5
DIY Clarity [ 1 = Not clear ]
40%40%40%
2
Average 67%
Quote:
Originally Posted by BuLoOoSki View Post
isn't that blocking too much air that would usually go to the radiator? thats the radiator behind the scoops right?
Is it fine this way? and has actually anyone done any dyno testing or data logging to prove that these air scoops actually work?
I dont think its blocking too much air to the radiator. I dont recall anyone doing a dyno yet. I just did it for fun. I figure more air is better than no air. I think the only down side is a dirty airfilter. I have the air aiming at my two K&N cone filters. Now I know that helps!
Reply With Quote
  #13  
By rhodericks335i on 05-06-2008, 10:14 AM
Member reviews
Difficulty [ 1 = Difficult ]
60%60%60%
3
Cost [ 1 = Expensive ]
100%100%100%
5
DIY Clarity [ 1 = Not clear ]
40%40%40%
2
Average 67%
Quote:
Originally Posted by asdflkijd View Post
wow, I have one of these right under my desk!, (I'm touching it with my foot to make sure its there ) hmm interesting! have any plans on painting it black?
Nah, I'll keep it clear. If anything i might drills holes if im not getting enough air to the radiator but i think its ok.
Reply With Quote
  #14  
By drphil71 on 05-06-2008, 11:06 AM
Dont worry about the air to the radiator, it is only sucking it up from the top. What we should be worried about is how there is barely no air going into that snorkel without a mod like this.
Reply With Quote
  #15  
By E90330iS on 05-06-2008, 12:36 PM
any difference?
Reply With Quote
  #16  
By f30er on 05-06-2008, 04:21 PM
Member reviews
Difficulty [ 1 = Difficult ]
100%100%100%
5
Cost [ 1 = Expensive ]
100%100%100%
5
DIY Clarity [ 1 = Not clear ]
80%80%80%
4
Average 93%
Nice install! Looks like one of those "might-as-well" mods that may or may not be effective, but can't really hurt either. And it looks like fun to do!

EDIT: O wait, what if I've got these on and am driving through heavy rain? Won't the water slowly make it's way to the air filter and then eventually soak through? Could that be why the stock ones are facing downwards?
Reply With Quote
  #17  
By rhodericks335i on 05-06-2008, 04:29 PM
Member reviews
Difficulty [ 1 = Difficult ]
60%60%60%
3
Cost [ 1 = Expensive ]
100%100%100%
5
DIY Clarity [ 1 = Not clear ]
40%40%40%
2
Average 67%
Quote:
Originally Posted by e92er View Post
Nice install! Looks like one of those "might-as-well" mods that may or may not be effective, but can't really hurt either. And it looks like fun to do!

EDIT: O wait, what if I've got these on and am driving through heavy rain? Won't the water slowly make it's way to the air filter and then eventually soak through? Could that be why the stock ones are facing downwards?

I though about that too and while washing the car with a pressure washer. I noticed at the bottom of the stock air box a drain hole for moisture. I dont think the the air is being pulled enough to soak through the filter. I however have it aiming towards my two K&N filter. I'll find out the first day of rain.
Reply With Quote
  #18  
By simp0man on 07-15-2008, 09:38 PM
This is what I am looking for! I bought a Grupe-M that had no scoop and paid $190 for it so I am so doing this!
Reply With Quote
  #19  
By rhodericks335i on 07-15-2008, 09:59 PM
Member reviews
Difficulty [ 1 = Difficult ]
60%60%60%
3
Cost [ 1 = Expensive ]
100%100%100%
5
DIY Clarity [ 1 = Not clear ]
40%40%40%
2
Average 67%
Good luck with it. Mine is still holding up well. It blows fresh air right to my dual K&N filters.
Reply With Quote
  #20  
By darkphantom on 07-17-2008, 12:15 AM
nice...this is better than paying $200 for supreme powers "ram air scoop"
Reply With Quote
  #21  
By simp0man on 07-23-2008, 02:27 AM
I made it more easy by putting the scoops where the opening is like the supreme did. I didn't do much of the cutting just clip the areas to let it set in and just apply bondo. Been on for over a week and I drive 85-110mph on it so far and it does scoop into my closed Grupe-m air box. Good excelleration gain. Not alot of noise. Best performance mod ever! Thank you roderick335i!!!
Reply With Quote
Comment

Bookmarks

Tutorial Tools Search this Tutorial
Search this Tutorial:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Forum Jump


All times are GMT -5. The time now is 07:13 AM.




e90post
Powered by vBulletin® Version 3.7.0
Copyright ©2000 - 2014, Jelsoft Enterprises Ltd.
1Addicts.com, BIMMERPOST.com, E90Post.com, F30Post.com, M3Post.com, ZPost.com, 5Post.com, 6Post.com, 7Post.com, XBimmers.com logo and trademark are properties of BIMMERPOST