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Thread: K75 Ethanol-Resistant Fuel Pump Vibration Damper

  1. #1
    Registered User detbmw's Avatar
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    K75 Ethanol-Resistant Fuel Pump Vibration Damper

    I read Paul Glaves' tech article about checking the fuel pump vibration damper in K75s a couple times a year because the OEM part is not ethanol resistant. I figured I would buy a spare before I started digging.

    That is when I found an ethanol-resistant damper at Bob's BMW for K-bikes:

    https://store.bobsbmw.com/product/fu...alue-585--1292

    I have one on order.
    Rich
    Night Black 2000 R1100RT
    Marakesh Red 1988 K75S "The S is, by far, the finest-handling BMW we have ever ridden." Motorcyclist, November 1986

  2. #2
    Benchwrenching PGlaves's Avatar
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    I'm going to order two. (two bikes)
    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://www.bigbend.net/users/glaves

  3. #3
    BMW uber alles! Zagando's Avatar
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    Good news for later model K75s, too

    Bob's also carries the ethanol resistant damper for K75s built after 1/1993, too:

    https://store.bobsbmw.com/product/fu...r-value-0193--
    ---Jeff

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

  4. #4
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    damper

    $75.00 for a small molded plastic part and one of the selling points is that it's cheaper than the BMW OEM part?
    Has the world gone mad?

  5. #5
    Registered User detbmw's Avatar
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    Quote Originally Posted by walt3022 View Post
    $75.00 for a small molded plastic part and one of the selling points is that it's cheaper than the BMW OEM part?
    Has the world gone mad?
    That is only part of it.

    The main thing is that it is ethanol resistant and the OEM part is not, which must be checked regularly and eventually replaced.
    Rich
    Night Black 2000 R1100RT
    Marakesh Red 1988 K75S "The S is, by far, the finest-handling BMW we have ever ridden." Motorcyclist, November 1986

  6. #6
    A bozo on the bus deilenberger's Avatar
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    I passed the link on to a mechanic friend, who told me BeemerBoneyard also offers ethanol resistant pump dampers.

    Just a FWIW - there appears to be more then one source.
    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

  7. #7
    twharvey
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    Thanks for sharing, Rich. I'll be ordering one soon.

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