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Registered
Join Date: Jan 2003
Location: Cross Plains, Wis
Posts: 979
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New Air Filter
I found a K&N filter that will fit the stock air filter base, it's E3230. The only thing wrong with it is it is too tall (4.3"). There have others that are 3.5" and 3.25". I haven't fit it to the bike yet but I know for sure it's too tall. I'll be ordering the correct one once I determine for sure which will work best. Here are some pics. I still need to get some long screws to secure the lid to the base, ala SJBMW's. Also will have the lid made of aluminum. The Plexiglas was laying around and it's easy to work with as a prototype.
Philip   
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08-08-2006, 02:10 PM
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Barback King
Join Date: Apr 2001
Location: Now it's Nevada
Posts: 12,032
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...fantastic!
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R11S CNC BARBACKS |
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08-08-2006, 02:27 PM
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Registered
Join Date: Jan 2006
Location: New Hampshire
Posts: 38
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Obviously this must not be the housing for r1100s, at least for a 2000 model. I'm just going through my first do-it-yourself maintenance run and I just order an after market K&N filter from A&S and I'm assume it's plug and play.
Since you say they don't have a stock filter specifically for your bike, I'm going to guess it's a new 1200? |
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08-08-2006, 03:57 PM
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Living on borrowed time!
Join Date: Dec 2003
Location: Tacoma, WA, USA
Posts: 7,020
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there IS a stock filter tor eplace the BMW OEM piece.
only problem is, it don' pass as much air as the OEM piece. Most everyone buys a SJ powerfilter which has much more surface area and it looks like PMC is emulating that design; he's a good wrench. Now for an uberschnorkel:<)
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Better a has-been than a wanna-be 'I am John Andrew Moffett of the Clan Moffat and by god I live, love, seek, fail, grieve and die as I so choose and I call no man master save me'. |
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08-08-2006, 04:02 PM
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Registered
Join Date: Jul 2001
Location: Fairfield, CA, USA
Posts: 1,548
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Quote:
What he is trying to do is make a home made version of the San Jose bmw power filter. Which brings me to question of my own for pmc487, why not just buy a power filter from SJBMW and be done with it right  
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Don’t believe everything you think! I don't suffer from insanity, I enjoy it! 2000 red R1100s, 1983 Gold Wing Aspencade, 2003 CRF450R, 1996 KLX 650, 2006 Ford F250 super crew long bed |
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08-08-2006, 04:05 PM
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Registered
Join Date: Jan 2003
Location: Cross Plains, Wis
Posts: 979
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I have the SJBMW power filter and Induct, which work great. I just like playing with different ideas.
Length Width Height Sq inch Sq inch of opening of opening opening Filter Area BMW Stock 4.25 3 0 12.75 12.75 SJBMW 4 2.75 4.5 8.64 60.05 Philip's Setup 5.125 3.75 4.38 15.9 80.71 3.5 64.75 3.25 59.95 My setup will have at least as much filter area ( 59.95sq in with 3.25H) as the SJ filter but it has 84% bigger opening for the air to enter the box. Also, by moving the filter to the outside of the air box you increase the air box's capacity. Now all I need to do is figure out how to make an uberschnorkel for this setup. Philip |
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08-08-2006, 04:41 PM
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Registered
Join Date: Jan 2003
Location: Cross Plains, Wis
Posts: 979
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I have the SJBMW power filter and Induct, which work great. I just like playing with different ideas.
 My setup will have at least as much filter area ( 59.95sq in with 3.25H) as the SJ filter but it has 84% bigger opening for the air to enter the box. Also, by moving the filter to the outside of the air box you increase the air box's capacity. Now all I need to do is figure out how to make an uberschnorkel for this setup. Philip |
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08-08-2006, 04:47 PM
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Registered
Join Date: Jun 2006
Location: Woodbridge, NJ
Posts: 129
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FYI....
The back of the K&N automotive air filter catalog has listings for air filters that you can order by shape and size. Or you can look for what you need here: http://www.knfilters.com/search/universal.aspx |
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08-08-2006, 06:20 PM
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No try, do or not do
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isnt the stock filter pleated paper? surely it has more than 12.75" of surface area!
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2017 R1200GSW Rallye Shreddr Signature Model |
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05-29-2007, 04:59 PM
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Regnat populus
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YES! Yes! It is Alive!
Originally posted by pmc847
"I just like playing with different ideas." Yes! That is it! Keep up the great work!
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Cheers, Robert Foster FOSTER RAD LASER Engineering Exhaust Systems RapidBike USA Oakland Gardens, NY Robert@FosterRAD.com 718-468-4680 Do not go where the path may lead, go instead where there is no path and leave a trail. |
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05-29-2007, 08:15 PM
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Registered
Join Date: Feb 2007
Location: SE Arizona
Posts: 1,604
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Quote:
but then again, you cant really use just surface area to judge when you are tallking paper v foam v gauze/screen like a k&n.
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http://lightfighter.smugmug.com/ |
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05-29-2007, 08:34 PM
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No try, do or not do
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I dont want to get in the whole stock vs. K&N vs. whatever debate here but the stock filter has a lot of filtering area if you go by surface area of the paper, more than the K&N stock replacement I would venture by quite a bit. so othr than the fact that paper doesn't handle water very well, is there a significant gain to be made by changing the filter? where is the data with "no" filter present, and where is the wind tunnel data that shows pressure (positive or negative) in the airbox as a function of the more open induct. from my gluteous maximus dyno the single biggest performance improvement I got after installing the Laser cat elim and cans was pulling the O2 sensor, boy did that make it come to life!
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2017 R1200GSW Rallye Shreddr Signature Model |
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05-30-2007, 02:52 AM
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Black Beauty
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