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Thread: Sorry Everyone '95 K75 Oil?

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  1. #1
    Registered User argent brick's Avatar
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    Sorry Everyone '95 K75 Oil?

    I have not owned my 1995 K75 for very long. The PO told my that he put synthetic oil in the last time the oil was changed but would not do it again. I should of ask him why, but I did not. Anyone have an idea as to why someone would run dino oil over synthetic?

    Sorry everyone, I know you have been ask what is the best oil thousands of times, but I am a newbie when it comes to K bikes. I want to replace all of the fluids so I have a baseline to work from.

    Also, I am not crazy about having to drive to a dealer to buy my oil. I will if that is what is best for the bike, but it is about 2 hours round trip plus a bridge toll. Surely I can find quality oil locally. Should I stay away from certain brands?
    What weight of oil should you run in in your K bike (synthetic or dinosaur) and why?

  2. #2
    Survivor akbeemer's Avatar
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    Some feel that synthetic oil in older machines results in oil leaks at seals.

    You've opened a can of worms, you know?

    No need to drive further than your local auto parts store to buy oil. Which oil is a matter of never ending debate, but I don't think you can go wrong using an oil desgined for motorcycles (some additional zinc additive in it); Castrol and Valvoline both make such a product in dyno and synthetic. Both have a 10W 40 and a 20W 50 which seem to be the common weights for BMWs. Check your owner's manual for which weight to use in your riding conditions. What to avoid???? Snake oil.

    A famous man on this forum oft says... "Some oil is better than no oil and clean oil is better than dirty oil", I can only add that free oil is the best yet.

    This, of course, is the final word on the subject and no one else will see the need to comment on oil.

    Oh, and send wine......
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  3. #3
    3 Red Bricks
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    Mobil 1 15w-50 synthetic car oil meets all the requirements of your bike and can be purchased at WalMart in a 5 quart container for $25.



    LONG MAY YOUR BRICK FLY!

    Ride Safe, Ride Far, Ride Often

    Lee Fulton Forum Moderator
    3 Marakesh Red K75Ss
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  4. #4
    A bozo on the bus deilenberger's Avatar
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    Hi Aargent Brick (real name? We're friendly sorts here..)

    Please read: http://www.bmwmoa.org/forum/showthread.php?t=46057 - I'll add the info to the thread title, but perhaps you'd like the title changed to something more descriptive.. like "Dino or Synthetic? '95 K75S" ?

    I saw Lee posted the Wally mart price of Mobil 1.. Wally-Mart is on my list of places I simply won't shop at (for lots of reasons I won't get into here..) but - what surprised me was, I bought BMW 15W-50 Synthetic oil in a 4 quart (gallon) container yesterday at our friendly local dealer, for less then WallyMart is charging for Mobil-1. Admittely WallyMarts container is 5 quarts, but you don't need 5 quarts for an oil change, so..

    BMW oil was only a few cents less, but buying it from the dealer helps them make a profit which helps them stay in business, plus it gave me an excuse to browse the dealership (which led to me also buying some BMW brake-fluid so I can do my semi-annual brake flush.)

    I'd look at the dealer being that far away as a good excuse for a nice ride, add a lunch stop in there and you have a perfect "chore" for Saturday.. any excuse for a ride sort of thing works for me.
    Don Eilenberger http://www.eilenberger.net
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  5. #5
    What, me worry? GILLY's Avatar
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    Quote Originally Posted by deilenberger View Post
    i saw lee posted the wally mart price of mobil 1.. Wally-mart is on my list of places i simply won't shop at (for lots of reasons i won't get into here..)
    +1
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  6. #6
    Dum vivimus vivamus ted's Avatar
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    Autozone and advance auto always run specials. Advance Auto has one now, 5 quarts of Mobil-1 and a Mobil-1 oil filter for $29.99. Even if you toss the filter, and many prefer to use the BMW eom oil filter, it is a pretty good deal.

    Plenty of 15/50 silver cap, and at least the one near me takes used oil so you can empty your drain pan from the last oil change at the same time
    Ted
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  7. #7
    Dale Rudolph
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    Quote Originally Posted by 98lee View Post
    Mobil 1 15w-50 synthetic car oil meets all the requirements of your bike and can be purchased at WalMart in a 5 quart container for $25.



    I used to buy Mobil 1 15w-50 at Wal-Mart for my 92 K75RT.
    Here in S. Oregon, they have not had it on their shelves for close to two years now.
    The explanation is that they sell whatever the distributor sends them, looks like some
    parts of the country get it and some don't.

  8. #8
    What, me worry? GILLY's Avatar
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    When the K bikes came out, then as now BMW sold their own branded oil. By law (I think) they did list the oil as being "packaged" by Spectro oils. This relationship still exists today, just checked my left over partial bottle of BMW "Super Synthetic" oil and is plainly marked that it is formulated and packed by Spectro Oils.

    So, back then, I found out that the recommended oil was Spectro Golden (this is what was in the BMW-branded bottle), which is a semi-synthetic (blend of dino oil and synthetic oil).
    So if you do have a cycle shop nearby that sells Spectro Oils I would recommend the Spectro Golden 4, I believe this would be the best stuff you can run in a brick K Bike, and yet typically costs much less than the BMW-branded oil.
    http://www.spectro-oils.com/?p=64

    If you do want to run a synthetic, that is the "Platimum 4":
    http://www.spectro-oils.com/?p=7986

    Dealer locator
    http://www.spectro-oils.com/dealer-locator/
    87 K75S, bought new, now sold
    07 K1200GT Bought new, now traded in
    13 C650GT
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  9. #9
    A bozo on the bus deilenberger's Avatar
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    Quote Originally Posted by Gilly View Post
    When the K bikes came out, then as now BMW sold their own branded oil. By law (I think) they did list the oil as being "packaged" by Spectro oils. This relationship still exists today, just checked my left over partial bottle of BMW "Super Synthetic" oil and is plainly marked that it is formulated and packed by Spectro Oils.

    So, back then, I found out that the recommended oil was Spectro Golden (this is what was in the BMW-branded bottle), which is a semi-synthetic (blend of dino oil and synthetic oil).
    So if you do have a cycle shop nearby that sells Spectro Oils I would recommend the Spectro Golden 4, I believe this would be the best stuff you can run in a brick K Bike, and yet typically costs much less than the BMW-branded oil.
    http://www.spectro-oils.com/?p=64

    If you do want to run a synthetic, that is the "Platimum 4":
    http://www.spectro-oils.com/?p=7986

    Dealer locator
    http://www.spectro-oils.com/dealer-locator/
    I'm not so certain the formulations are exactly the same (Golden-Spectro vs BMW's package/blended oil..)

    At a national rally a decade or so ago, the Golden-Spectro guy was there, and was taking questions on oil. His claim at that time (things may have changed) was that BMW specified a different additive package in the oil they packaged for BMW.

    There was a great article in the MOA-ON around the same time, done by a friend (Jeff DeCarlo), who had virgin samples of all sorts of oils tested to see how the viscosity (new) was, and what the additive packages were. Those tests showed a different additive package (proportions of the additives mostly) being used on the BMW oil then the Golden-Spectro oil.

    Just a FWIW -
    Don Eilenberger http://www.eilenberger.net
    Spring Lk Heights NJ NJ Shore BMW Riders New Sweden BMW Riders
    '07 R1200R (current ride) and some bimmers.. and a Porsche

  10. #10
    Survivor akbeemer's Avatar
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    Quote Originally Posted by AKBeemer View Post
    This, of course, is the final word on the subject and no one else will see the need to comment on oil.
    Isn't anyone paying attention?
    Kevin Huddy
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  11. #11
    3 Red Bricks
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    Not me.



    LONG MAY YOUR BRICK FLY!

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    Lee Fulton Forum Moderator
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  12. #12
    Old man in the mountains osbornk's Avatar
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    Quote Originally Posted by AKBeemer View Post
    Some feel that synthetic oil in older machines results in oil leaks at seals.
    And some of us experienced it personally. I didn't have the problem once. I had the experience on two different bikes. No problem with my newer bikes. I think it more age than miles because the newer bikes had higher miles than the older bikes. Seals harden due to age and/or heat.
    'You can say what you want about the South, but I almost never hear of anyone wanting to retire to the North.

  13. #13
    3 Red Bricks
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    Leaks are caused by the condition of the seals. Slippery synthetics are less forgiving of hardened seals, but the oil doesn't CAUSE the leak, bad hardened seals do.

    Higher mileage is actually better for seals than just sitting for years.

    Choosing oil based on leakage vs performance is not the choice I would make, but each person has their own priorities.


    LONG MAY YOUR BRICK FLY!

    Ride Safe, Ride Far, Ride Often

    Lee Fulton Forum Moderator
    3 Marakesh Red K75Ss
    Mine, Hers, Spare

  14. #14
    Survivor akbeemer's Avatar
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    I'm old and find I am prone to leaking if I use Light Beer.
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    Themason 42906's Avatar
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    Quote Originally Posted by 98lee View Post
    Leaks are caused by the condition of the seals. Slippery synthetics are less forgiving of hardened seals, but the oil doesn't CAUSE the leak, bad hardened seals do.

    Higher mileage is actually better for seals than just sitting for years.

    Choosing oil based on leakage vs performance is not the choice I would make, but each person has their own priorities.


    I'm sure some of those stories about synthetic oils date to their inception when there were still plenty of leather seals in old cars on Americas roads. How many here are old enough to remember rawhide main seals in cars? Did you know the CR in CR Seals stands for Chicago Rawhide? That was the fate of the hides of many a cow slaughtered in Chicago.
    Experience is what you get when you don't get what you want.

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