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Thread: Coolant change interval for new water boxer

  1. #1

    Coolant change interval for new water boxer

    Does anyone have info/recommendation for changing out the coolant on the new water boxer? I can't find any change interval in the BMW service manual. Time/mileage interval?

  2. #2
    Registered User LFarling's Avatar
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    Service Manager told me NEVER. I said seriously and he said seriously

    I would look at doing it at 3-4 years or so. I already have a gallon from the car dealer.

    I know it is high quality and is supposed to be lifetime, but I will do mine on a service when it suits me. I do not believe anything is lifetime.

    However that said we go back to our cars and never changing our anti freeze or brake fluid and we all live to drive another day
    2015 R 1200 RT LC
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  3. #3
    Quote Originally Posted by LFarling View Post

    However that said we go back to our cars and never changing our anti freeze or brake fluid and we all live to drive another day
    Yes, and a radiator for my car cost me $80 with free shipping and one for my K75 is $670. So it pays to be a bit fussier with our bikes than our cars.
    Paul Glaves - "Big Bend", Texas U.S.A
    "The greatest challenge to any thinker is stating the problem in a way that will allow a solution." - Bertrand Russell
    http://web.bigbend.net/~glaves/

  4. #4

    Smile Coolant change interval

    Quote Originally Posted by PGlaves View Post
    Yes, and a radiator for my car cost me $80 with free shipping and one for my K75 is $670. So it pays to be a bit fussier with our bikes than our cars.
    Paul, I agree with your assessment. I live in the Northeast and usually get 15-20K miles per year. Does change interval at 2 year/36K sound reasonable to you?

  5. #5
    Registered User
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    The OEM Repair Manual for the R1200R LC and the R1200RS LC calls for a coolant change at 18,000 miles.

    I just completed an 18,000 mile service and the coolant change was a no brainer, easy to do with no real surprises.

    Do drain the overflow tank before you open the radiator fill cap. Ask me how I know.

    Deryle Mehrten
    Sierra Vista, AZ USA

  6. #6
    Debbie's Servant Lee's Avatar
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    Quote Originally Posted by mehrten View Post
    The OEM Repair Manual for the R1200R LC and the R1200RS LC calls for a coolant change at 18,000 miles.

    I just completed an 18,000 mile service and the coolant change was a no brainer, easy to do with no real surprises.

    Do drain the overflow tank before you open the radiator fill cap. Ask me how I know.

    Deryle Mehrten
    Sierra Vista, AZ USA
    The list the shop printed for me only shows checking the coolant level at 18,000 miles.
    Did you use the vacuum method when you changed the coolant?
    Lee
    2016 R1200RS
    MOA # 30878
    Past BMW Bikes: 2011 K1300S, 2003 K1200RS, 1991 K75S, 1987 K75T, 1984 R100RT

  7. #7
    Fortis Fortuna Adiuvat Omega Man's Avatar
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    I haven't changed antifreeze in anything in a very long time. The systems are tight and the fluids are better so I don't worry about it.
    I do however add the Prestone anti-rust and water pump lube-

    http://prestone.com/enmx/node/1428
    And, I think it has helped. I have one engine at 26years, 8000 plus hours and the block's interior looks great. I do check the freeze point from time to time.
    Everybody does it different.
    OM
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  8. #8
    Quote Originally Posted by 146023 View Post
    Paul, I agree with your assessment. I live in the Northeast and usually get 15-20K miles per year. Does change interval at 2 year/36K sound reasonable to you?
    Two years would be my preference, even four beats never.
    Paul Glaves - "Big Bend", Texas U.S.A
    "The greatest challenge to any thinker is stating the problem in a way that will allow a solution." - Bertrand Russell
    http://web.bigbend.net/~glaves/

  9. #9
    not so retired henzilla's Avatar
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    Quote Originally Posted by LFarling View Post
    Service Manager told me NEVER. I said seriously and he said seriously

    I would look at doing it at 3-4 years or so. I already have a gallon from the car dealer.

    I know it is high quality and is supposed to be lifetime, but I will do mine on a service when it suits me. I do not believe anything is lifetime.

    However that said we go back to our cars and never changing our anti freeze or brake fluid and we all live to drive another day
    I recall that was the original stance on the EVO final drives...Lifetime fill was the head scratching guideline....and that became a bit different very quickly
    Steve Henson
    SABMWRA MOA Club#62's Flat Fixer/ current forum moderator
    It's not the breaths you take, but the moments that take your breath away-D.Dillon/G. Strait

  10. #10
    The mechanic that maintains my cars and truck checks the coolant's PH, or some chemical indicator. They change it if it goes out of spec. They do this every time I bring it in. So far, they have never had to change it and that's over 100,000+ miles on each. There is a condition that can cause damage to the engine, corrosion no doubt, if the coolant goes bad.

    Larry

  11. #11
    Registered User 36654's Avatar
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    Quote Originally Posted by PGlaves View Post
    Two years would be my preference, even four beats never.
    What was the factory recommendation it on the old K-bkes? I can't remember. It seemed like a long time.
    Cave contents: 16 R12RS, 13 Toyota Tacoma, 03 Simplicity Legacy, 97 Stihl FS75, Dewalt DW625 & SawStop PCS175
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  12. #12
    wanderer
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    The modern coolant chemistry resists corrosion and break down much better than in the past. Modern engine and radiator design specifying the best materials also greatly extends the life of coolant. I have to assume BMW does a good job of both!

    One car says 7 years another says 5 years.

    I believe 5v years is totally safe. evan longer is probably safe.

    Now if you have added tap water or some cheap coolant...you have violated the integrity of the system...so a shorter time seems prudent.

    But I know of some you feel better doing its sooner. Just like changing oil at 3 k miles.

    As always if you feel better doing it sooner...change it. It is only $$$

  13. #13
    Debbie's Servant Lee's Avatar
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    Quote Originally Posted by 36654 View Post
    What was the factory recommendation it on the old K-bkes? I can't remember. It seemed like a long time.
    On the K1200RS Brick it was every two years.
    I thought that was too often but I did it because it was easy and cheap to do.
    Lee
    2016 R1200RS
    MOA # 30878
    Past BMW Bikes: 2011 K1300S, 2003 K1200RS, 1991 K75S, 1987 K75T, 1984 R100RT

  14. #14
    Registered User lkchris's Avatar
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    Quote Originally Posted by bobzeliff View Post
    As always if you feel better doing it sooner...change it. It is only $$$
    It's also environmental pollution.
    Kent Christensen
    21482
    '12 R1200RT, '02 R1100S, '84 R80G/S

  15. #15
    Registered User
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    Quote Originally Posted by Lee View Post
    The list the shop printed for me only shows checking the coolant level at 18,000 miles.
    Did you use the vacuum method when you changed the coolant?
    Lee,

    Our R1200RS had a seep, weep, leak out of the water pump drain hole (that went away at about 5,000 miles).

    Consequently I've kept an eye on the coolant level, adding about 25~50 cc's a couple of times over our first year of ownership.

    Draining and refilling the coolant was an easy job. I had some BMW coolant left over from doing the K-GT and the K-RS, so why not.

    Yes, I use an older Air Lift tool. l added an additional valve to it to make it a bit more user friendly like the later versions are.

    Also, I recycle all my waste fluids, bottles, cans, paper...etcetera, etcetera, etcetera...

    Deryle Mehrten
    Sierra Vista, AZ USA

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