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Thread: Air Filter

  1. #16
    https://motorcycleinfo.calsci.com/FilterXRef.html

    Oil filter information.

    Anyone ever hear of K&N Air Filters? That's what I'm going to put in after another 15k miles or so on the stock one. Then I'll probably sell the bike before I look at the air filter again.

    Where do you put the gas cap while filling?

  2. #17
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    Quote Originally Posted by mojoman View Post
    The answer is not Amazon because I already looked there.

    I might be mistaken, but,

    https://www.amazon.com/MAHLE-Origina...omotive&sr=1-1
    From the only real Fargo, ND!

  3. #18
    Tutum amicus r184's Avatar
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    Quote Originally Posted by wichitagreg View Post
    https://motorcycleinfo.calsci.com/FilterXRef.html

    Oil filter information.

    Anyone ever hear of K&N Air Filters? That's what I'm going to put in after another 15k miles or so on the stock one. Then I'll probably sell the bike before I look at the air filter again.

    Where do you put the gas cap while filling?
    Same here. One of the first things I change on every car, truck and motorcycle I've owned. Will prob. outlast the vehicle.
    No Matter Where I went, There I was...

  4. #19
    Debbie's Servant Lee's Avatar
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    Quote Originally Posted by PoorUB View Post
    That's the wrong filter for a Wethead.
    The correct number for a Wethead Mahle air filter is LX3595

    new-mahle-oem-air-filter-for-all-watercooled-r1200gsw-gsaw-rtw-bikes-8.jpg
    Lee
    2016 R1200RS
    MOA # 30878
    Past BMW Bikes: 2011 K1300S, 2003 K1200RS, 1991 K75S, 1987 K75T, 1984 R100RT

  5. #20
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    Quote Originally Posted by Lee View Post
    That's the wrong filter for a Wethead.
    The correct number for a Wethead Mahle air filter is LX3595
    Which is available on Amazon.
    From the only real Fargo, ND!

  6. #21
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    Quote Originally Posted by wichitagreg View Post
    Where do you put the gas cap while filling?
    I've got a couple of ideas for you.....

  7. #22
    Debbie's Servant Lee's Avatar
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    Quote Originally Posted by PoorUB View Post
    Which is available on Amazon.
    I just wanted to make sure someone did not order the wrong filter.
    Lee
    2016 R1200RS
    MOA # 30878
    Past BMW Bikes: 2011 K1300S, 2003 K1200RS, 1991 K75S, 1987 K75T, 1984 R100RT

  8. #23
    Registered User GTRider's Avatar
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    [QUOTE=Lee;1176351]The K1300S has two air filters and BMW recommends changing every 24,000 miles.
    It didn't take long to get at the filters so I blew them out at 12,000 and changed at 24,000 miles.

    And the K1200GT/K1300GT have ONE of those filters. I blow them out at 6k and replace at 12k, but in adverse conditions (like riding through bad bug infestations) Ive had to replace them at 6k. It DOES make a difference in how the bike runs.

    Best,
    DeVern
    DGerber
    1983 R80ST 1984 R80 G/S-PD 2004 K1200GT w/Hannigan S/C 2010 K1300GT 2018 R1200GS
    BMWMOA#52184, AMA#271542, IBA#138

  9. #24
    Left Coast Rider
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    Here's a thought for those of you who abhor the price of air filters or frequently ride through areas of "high bug/air ratios".

    Take some black fibreglass screening material you might use to repair a screen door, cut it to size, wrap it around the air inlet on your motorcycle and secure it with a zip tie. I got mine from http://www.rcrint.com/easyscreen_en.htm

    I did this on my R1100S and on my K1200S with no ill effects and my filters stay much cleaner than previous experience shows. Sorry, no before/after pictures - you're just gonna have to trust me on this.
    Last edited by BC1100S; 08-20-2019 at 02:35 AM.

  10. #25
    Registered User m_stock10506's Avatar
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    Quote Originally Posted by BC1100S View Post
    Here's a thought for those of you who abhor the price of air filters or frequently ride through areas of "high bug/air ratios".

    Take some black fibreglass screening material you might use to repair a screen door, cut it to size, wrap it around the air inlet on your motorcycle and secure it with a zip tie. I got mine from http://www.rcrint.com/easyscreen_en.htm

    I did this on my R1100S and on my K1200S with no ill effects except that my filters stay much cleaner than previous experience shows. Sorry, no before/after pictures - you're just gonna have to trust me on this.
    That is actually a great solution to keep mice from going into the tunnel to get to your filter for nesting.
    Michael Stock, Trinity, NC
    R1100RT, R100, R60/6

  11. #26
    MOA #24991 Pauls1150's Avatar
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  12. #27
    Registered User GTRider's Avatar
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    Quote Originally Posted by wichitagreg View Post
    https://motorcycleinfo.calsci.com/FilterXRef.html

    Oil filter information.

    Anyone ever hear of K&N Air Filters? That's what I'm going to put in after another 15k miles or so on the stock one. Then I'll probably sell the bike before I look at the air filter again.

    Where do you put the gas cap while filling?
    Id suggest some deep research into the filtration capabilities of the K&N air filters before going that route. While the re-usability is appealing, there are several published analysis on the subject. Here in the desert Southwest, I personally wouldnt buy a used bike that had been run on a K&N for much of its life. Filters are one of the more reasonable expenses in BMW ownership, especially when sourced through places like Beemer Boneyard.

    Best,
    DeVern
    DGerber
    1983 R80ST 1984 R80 G/S-PD 2004 K1200GT w/Hannigan S/C 2010 K1300GT 2018 R1200GS
    BMWMOA#52184, AMA#271542, IBA#138

  13. #28
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    Quote Originally Posted by m_stock10506 View Post
    That is actually a great solution to keep mice from going into the tunnel to get to your filter for nesting.
    And some of the bugs I've encountered (especially around the Montezuma National Wildlife Refuge in New York) have been the size of mice.

  14. #29
    Registered User lkraus's Avatar
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    Quote Originally Posted by wichitagreg View Post
    https://motorcycleinfo.calsci.com/FilterXRef.html

    Oil filter information.

    Anyone ever hear of K&N Air Filters? That's what I'm going to put in after another 15k miles or so on the stock one. Then I'll probably sell the bike before I look at the air filter again.

    Where do you put the gas cap while filling?
    If you don't plan to keep the bike long, and don't care about dirt flowing through, you really don't need to check or change the filter at all. A K&N filter still needs to be cleaned and re-oiled on a regular basis. And it will not filter dust as well as the stock, paper version. I see that their website claims 30,000-50,000 miles before cleaning, but that's probably because their filter is not collecting much dirt.

    I bought a K&N air filter for a 25 year old bike with about 63 thousand miles when the stock part was getting harder to find. I found no detectable change in performance. Six months and about two thousand miles of suburban commuting later, while replacing leaky throttle shaft seals, I found that the previously spotless CV slides were coated with a thick, oily, red layer of dust, as were the air intake boots. The filter and the maintenance kit went in the trash and I bought paper filters thereafter.


    This guy did some very extensive tests to compare air filters, measuring air flow and measuring contaminants that passed through. (Watch the beginning to understand the method, skip the repeated tests, see the results at 34:00) Paper performed best in all but one test of airflow - K&N was best on that test, while also being 2nd worst (of 6) for passing contamination on that same test.
    Larry
    2006 R1200RT

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