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Thread: SURVEY: Oil filter brand for all K bikes.

  1. #1
    Registered User argent brick's Avatar
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    SURVEY: Oil filter brand for all K bikes.

    Recently I ask about oil for my K75. I did not expect to get back that much detailed information. Boy, did I open a can of worms.

    Now I am asking about oil filters. K BIKES ONLY PLEASE.
    What brand do you use and why? Not trying to cause problems or piss anyone off.
    Just would like to know what brand and model number you use and why. Also, please let me know what K bike you ride, K75,100,1100, etc.

    I will post the stats at the end of the year.
    Last edited by ARGENT BRICK; 09-20-2012 at 06:04 AM.

  2. #2
    Registered User der verge's Avatar
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    BMW.
    Why?
    Well, a few things.
    1.) I like spending more
    2.) The BMW filters have the correct spring pressure for the valves in them
    3.) The BMW filters have a low pressure bypass inside, in case there is an engine problem.
    4.) The BMW filters have no sort of coating on them. Nothing to flake off inside the oil pan.

    Filters of similar size, are not the same on the inside.
    02' K12LT ~ 83K '97 F650GS ~ 32K' 81 XS400 ~ 9K
    MOA #184190 Club #231 48035

  3. #3
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    Quote Originally Posted by ARGENT BRICK View Post
    Recently I ask about oil for my K75. I did not expect to get back that much detailed information. Boy, did I open a can of worms.

    Now I am asking about oil filters. K BIKES ONLY PLEASE. What brand do you use and why? Not trying to cause problems or piss anyone off.
    Just would like to know what brand and model number you use and why. Also, please let me know what K bike you ride, K75,100,1100, etc.

    I will post the stats at the end of the year.
    you do realize that 10 years worth of Oilheads also use the exact same oil filter as ALL the Klassic (in-line front-to-rear) K bikes, don't you?

    so- I have used Bosch and K&N in my K11RS, and in my current R11S. Because "fits" and "works as spec'd by BMW" are not necessarily synonymous, and both of those filters have receicved excellent reviews on their construction form several independent testers, and the BMW labeled filters are no better, yet cost more.
    Ride Safe, Ride Lots

  4. #4
    Registered User argent brick's Avatar
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    Quote Originally Posted by bikerfish1100 View Post
    you do realize that 10 years worth of Oilheads also use the exact same oil filter as ALL the Klassic (in-line front-to-rear) K bikes, don't you?
    Yes, but that is not my goal here. Just doing a very informal study about what filter Brickheads are choosing and why?

    You have used both Bosch and K&N. Which one do you like the most and why?

    Thanks for your input, Bikerfish.

    -Argent Brick

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    whichever one is cheaper when i make my purchase. last time, it was Bosch from beemerboneyard.
    the one advantage to the K&N is that they have a metric nut (15mm or 17mm, can't recall which) welded onto the bottom, so there's no need for a special filter wrench. especially useful if needing to change it on the road.
    Ride Safe, Ride Lots

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    Purolator filters in my K bikes. Reason for me is they have been on my cars for several years with aluminum engines and no problems.
    Roy G.
    85 K100RT Ol Ruby "Gone but not forgotten"

    02 K1200LTC Hoss

  7. #7
    BMW uber alles! Zagando's Avatar
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    Napa 1328 but...

    I've been using the Napa Gold 1328 filters that can be obtained cheaply almost anywhere. Part of the reason I have been using them was that the bike has been with me in rural Hawaii (until a few months ago) where obtaining OEM BMW anything is only via mail order/Internet.

    Now that I am only 7 miles from a BMW dealer I may go back to the OEM Mann filters as "quality only hurts once." Especially after reading that post above, too.

    However, so far so good with the Napa filters which I've always fastidiously removed the stick-on labels with Goo Gone before installing (and then cleaned off the Goo Gone as well). I found out about them through this or perhaps the IBMWR tech articles---they're a common substitution that cheap buggers such as myself often use.

    I'm curious to see how many others use the Napas but I do think it behooves me to switch back to BMW now that I have such easy access to parts.
    ---Jeff

    ex: K75S Berlina R100GS/PD , K100RS , R75/5 , R60/2

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    Registered User argent brick's Avatar
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    Quote Originally Posted by Zagando View Post
    I've been using the Napa Gold 1328 filters that can be obtained cheaply almost anywhere.
    Thanks for the info, Zagando. I plan to post the results of this informal survey at the end of the year or Jan. 2013. Should be lots of fun to find out. I am not seeing many people respond though.

    FWIW, I have been told by the sales staff at our local Napa Auto Parts that the Gold filters are made by Wix. Great filter, with Napa or Wix name on the box. If I may ask, about how much are you paying for your Napa filters?
    Lynn
    MOA #57883
    Current Ride: 1995 K75 Standard
    Past: 1978 Yamaha XS 750, 1976 BMW R60/6

  9. #9
    Registered User argent brick's Avatar
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    Quote Originally Posted by roy View Post
    Purolator filters in my K bikes. Reason for me is they have been on my cars for several years with aluminum engines and no problems.
    Thanks Roy,

    I am assuming the 10241 filter?
    Lynn
    MOA #57883
    Current Ride: 1995 K75 Standard
    Past: 1978 Yamaha XS 750, 1976 BMW R60/6

  10. #10
    BMW uber alles! Zagando's Avatar
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    Lynn, I don't recall exactly but I was paying around $5 or so for Napa/Wix filters and that was in Hawaii.

    Guess I'll find out how much the BMW (Mann) filters cost when I go to the dealer later...(gulp)
    ---Jeff

    ex: K75S Berlina R100GS/PD , K100RS , R75/5 , R60/2

  11. #11
    Mars needs women! 35634's Avatar
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    Been using AC-Delco PF53 on my 87K75S for the last 20 years. It's pushing 200k, the trick is to hide the filter until it's in the sump so the bike never knows how cheap I am.
    1987 K75S
    Original litter
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    2012 Ural Gear Up

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    Bosch 3330

    About 10 years ago I crossed the 53 number to bosch and came up with bosch 3330. I took the sticker off and stuck it on my tool box as a reminder. I use synthetic oil and I change oil once a year on my 2 K100s whether they need it or not. There are 15 stickers on my tool box and that equals about 120k on the 2 bikes
    Harold In Kansas
    1985 K100RT Bullit
    1985 K100XX/EML Bemel

  13. #13
    Thick As A Brick r184's Avatar
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    K&N. I like the fact I can use a 1" socket or wrench (I have an old bicycle wrench that fits well) on the welded on bottom nut to remove and secure the filter. Plus they stand by their product. It's a local company for me, so I keep my money supporting local businesses. But would be just as happy using Bosch or BMW OEM filters too.

    I use Lucas oil in the bike. The other "big" brands are good too. But then again, I like spending my money at local business. I do use BMW gear oil in the final drive though, which (here it comes) I buy at my local BMW shop.

    Now Monster Drink is another local business. but no, haven't tried or used that product, but I do drink Hanson Natural soda from time to time.

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    Test it yourself

    My advice when asked about filters is to advise the questioner to cut open whatever filter they are considering. I've been doing this for years (I'm cheap, I do it AFTER I use them). Having done so I now almost universally use OE filters, bikes and cars. There is simply MUCH more filter paper inside OE filters than there is in aftermarket ones. Up to 50% more, which translates into 50% more filtering ability.
    Now this assume the paper's filtering ability is the same, and of course I can't measure that. But I seriously doubt a discount filter is using better paper than the OE supplier.
    The other argument is that the aftermarket filters may be "good enough." This is probably true. BMWs, especially the old bricks, have shown little sensitivity to oil problems, and most of us change it often enough that that alone protects the engine. But if you are interested enough to be reading this thread, one would think you'd want the added piece of mind, if nothing else, that comes with knowing you've got the best filter in your bike that you can buy.
    Or maybe that's just me.

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    Quote Originally Posted by tonycarlos View Post
    My advice when asked about filters is to advise the questioner to cut open whatever filter they are considering. I've been doing this for years (I'm cheap, I do it AFTER I use them). Having done so I now almost universally use OE filters, bikes and cars. There is simply MUCH more filter paper inside OE filters than there is in aftermarket ones. Up to 50% more, which translates into 50% more filtering ability.
    Now this assume the paper's filtering ability is the same, and of course I can't measure that. But I seriously doubt a discount filter is using better paper than the OE supplier.
    The other argument is that the aftermarket filters may be "good enough." This is probably true. BMWs, especially the old bricks, have shown little sensitivity to oil problems, and most of us change it often enough that that alone protects the engine. But if you are interested enough to be reading this thread, one would think you'd want the added piece of mind, if nothing else, that comes with knowing you've got the best filter in your bike that you can buy.
    Or maybe that's just me.
    agree wtih your general premise, and analysis. however, there is more to filter construction than just amount of paper used.
    nature of construction of endcaps is critical- some use crimped metal, others reinforced cardboard, others probably some other methodology. pressure relief valves- both build quality and relief set-points are of concern. other internal parts matter as well.
    internet is your friend-
    here are some review sites. interesting results.

    http://motorcycleinfo.calsci.com/FilterStudy.html

    http://motorcycleinfo.calsci.com/Filters.html

    http://www.peterverdone.com/archive/oilfilter2.htm
    Ride Safe, Ride Lots

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