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6 Series DIY
6 Series Do It Yourself (DIY) forum.

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  #1  
Old 02-06-2012, 04:52 PM
hipertec hipertec is online now
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Mein Auto: 2005 645ci
DIY Ram Air for 6 series

Decided to try and make a ram air funnel for our cars.
1. Bought a bunch of 3" to 4" angled piping from Home Depot and the one that worked out perfectly was the 4" 1/8 Bend 45 degree white. I think it was about $3? UPC#0-52063-40403-5
2. Cut about half to use only the back half.
3. Heated the plastics to form fit the area mounted area. The mounted area is flat and elevated on the ends so you can heat up the plastic (I used my outside fireplace) and pliers to form it into shape.

4. Trim if needed.
5. drill small hole where you want the screws to go against the plastics.
6. paint it black.

7. mount with two screws.

Works perfectly and once installed and painted, you cant tell its there.


Spent about $5 with a can of spray paint. Does it work? Im sure it helps direct air into the main entrance of the filter box.

Hope this helps all the do-it-yourselfers!
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Last edited by hipertec; 02-06-2012 at 05:21 PM.
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  #2  
Old 02-07-2012, 05:48 AM
ammobmw ammobmw is offline
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81 People saw this post and no one has an opinion? I admire your imagination and hope you can report any changes in performance. Keep us posted.
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Old 02-07-2012, 06:46 AM
hipertec hipertec is online now
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Thanks for the reply. I started to think people on here just had too much money to make their own

It actually does feel as the car pulls stronger in 3rd+ gear. It also may be because its a bit colder too.
By the way it looks, there is be an improvement since the round enterence to the filter box lines up to the "funnel" that I made, helping direct air into this chamber.

Does anyone know how is will effect during rain? Will rain travel through this opening?
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Old 02-08-2012, 08:29 PM
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Yorgi Yorgi is offline
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Good job, the scoop looks great after you painted it. The RPI scoops are similar so I don't think there will be any issues with rain.
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Old 02-28-2012, 04:24 PM
stevelee203 stevelee203 is offline
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awesome job really nice
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  #6  
Old 02-28-2012, 07:23 PM
hipertec hipertec is online now
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Thanks. It actually looks good after install and painted. You can't even tell its there and seems to work well.
I recommend everyone to do..only about an hr worth of time and about $5 =)
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Old 02-28-2012, 07:30 PM
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icuc icuc is offline
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Nice work man...
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  #8  
Old 03-13-2012, 11:30 AM
Cremehorn Cremehorn is offline
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Mein Auto: 2004 BMW 645IC
Thumbs up Air Scoop

Ironically,

I had considered a similar ideaq since I practically live at Lowes. I recently replaced my kidney grills with painted grills. While I had the grill off, I scrounged up a very small stainless baking pan (4 X 6 inches). I bent down one end completely, painted black as you did and mounted itg exactly as you did. I like your better but I will wait until later to redo mine in honor of your idea.

Best regards,

Jerry
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