BMW R100GS, bolt on Brembo 4 Piston Caliper Upgrade

Discussion in 'Vendors' started by One Less Harley, Oct 10, 2010.

  1. One Less Harley

    One Less Harley OH.THAT'S GONNA HURT

    Joined:
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    5,081
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    Sold Out (8/13/2015)


    Nice factory looking fit.​

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    Brembo conversion for BMW R100GS-To convert the two pot caliper to a four pot Brembo caliper.
    No modifications needed can use existing brake lines. I suggest Galfer Green Pads (FD198G1651) (FD 198G 1532 [​IMG])and a braided brake line for best results.. Or pads of your choice which match up with K1100XX, R1100XX, R110GS or R1200C.




    Caliper Only $190.00 ( $14 S&H ) (Sold Out)


    Caliper w/ Galfer Green Pads $240.00 (+$14 S&H) (Sold Out)


    1991-95 Caliper w/ Galfer Pads &
    Braided Stainless Line, MC Banjo Fitting $290 (+$14 S&H) (Sold Out)



    1987-90Caliper w/ Galfer Pads &
    Braided Stainless Line $290 (+$14 S&H) (Sold Out)


    For Visual reference only, may not be the lines included.

    [​IMG]

    NOTE-All brake lines are standard length, no returns on lines!!!!!

    Sales only to the USA
    Personal check or money order OKOr Pay Pal add $12.00, to avoid PayPal fees pay as a gift or now I think it's choose send money to friend or family option. Contact me for how to send payment.


    In purchasing buyer and/or user agrees to "fine print" below.


    please read the fine print any questions about this or the calipers please ask.​

    The "Fine Print"

    Please note-In purchasing caliper and/or pads or brake line, the buyer and/or user agrees to the following and assumes ALL risk in the use of purchased parts- The caliper is a used modified part and it is the purchaser's sole responsibility to check function of part and assumes all risk in it's use. Seller is not responsible for any property damage monetary and/or bodily and/or mental injury damage caused by brake caliper, lines or pad.


    Brake Line Notes-

    The stock length for 1991-95 line is 31.5" (800mm) with banjo fitting at brake master cylinder, For the early 1987-90 is 25.75" (655mm). I've purchased stainless steel brakes line from Rennsport Auto (Rennsport Order Form) off Ebay for a decent price especially if you compare prices to Speigler or Goodridge Lines, but Motobins has a good price too. If using bar risers line length maybe longer.

    Rennsport Lines-
    Early Brake Line ('87-90) Fittings- #10 10mm male 1.0 thread concave
    .......................................................#7 10mm female 1.0 thread convex inner

    .................25.75" line
    Late Brake Line ('91-95) Fittings- #3 10mm 15 degree Banjo
    .......................................................#7 10mm female 1.0 convex inner

    ..........................31.5" line



    Note it is best to terminate the flexible line at the steel brake line to the caliper as it keeps the flexible line behind the fork out of the way of getting snagged on something.

    Master cylinder Notes-

    There are two different master cylinders, the early style (1987-90) like on the R80 G/S in which the line threads directly into the MC and the later (1991-95) which has a banjo bolt which threads in.
    Early MC bores- 1980-90 12mm, 13mm, 14mm, 15mm, 16mm (Motobins list all 5 bores), 12mm R80 G/S, 13mm R100GS
    Late MC bores- 1991-95- 13mm

    Brake Rotor Notes-

    Over the years I've had problems with brake pads squealing, due to glazing of the rotor. A brake rotor hone will knock the glazing off and leaves the rotor a little roughed up. This is better than using sand paper.

    A less expensive alternate to the stock BMW rotor is the EBC rotor. Ted Porter has had these at a competitive price.



    If you want a license plate frame I can include one for an extra $5.00. Please double check size to make sure it will fit as some states have different dimensions.

    [​IMG]
    #1
  2. fishkens

    fishkens Long timer

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    OLH -

    Does the 31.25" stainless line extend all the way from the master cylinder to the caliper (I'm 99% certain that it does but want to confirm)?

    If so, just curious why you didn't run the stainless line from the master cylinder to the solid brake line that goes from the fork brace to the caliper. Maybe it's because not all models had that brake line running from the fork brace to the caliper like my 88 GS? Or some other reason?

    I've searched for photos but haven't had any luck.

    Also, it looks like you once used the 320 rotor. Do you still use that or are you now using the Brembo 4 pot with the stock rotor.

    Again, just curious about your learnings over time.

    http://www.advrider.com/forums/showthread.php?t=431606

    Thanks.
    #2
  3. One Less Harley

    One Less Harley OH.THAT'S GONNA HURT

    Joined:
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    They're here...and 3 days later they're gone

    [​IMG]
    #3
  4. darklight79

    darklight79 drink it , ride it , nail it

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    so sold out huh ? so whats up new parts refurbed or used ? from a 1150 right ? then looks like the sides ground down ... bout 5/16 so when ya gonna have more ? stu
    #4
  5. One Less Harley

    One Less Harley OH.THAT'S GONNA HURT

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    I buy them used, there's no way I could buy them new or replace seals at that price. Most of the time used calipers aren't cheap, so it takes some looking to purchase them at a reasonable price. Left calipers from R/K 1100's or R12C's. R1150's used a Tokico caliper and I think mount spacing is different.

    It's just milling off some material, search and you'll find my post or others on the subject.

    If you send me a left caliper I can have yours done for $140.00 plus s&h. For simplicity's sake USA only.
    #5
  6. darklight79

    darklight79 drink it , ride it , nail it

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    thanks for the info ... knew i should have jumped on this when I saw em ...Pre ordering the next one now thanks
    #6
  7. One Less Harley

    One Less Harley OH.THAT'S GONNA HURT

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    here's a shot of the two latest calipers. These things are getting harder to come by lately.

    [​IMG]

    Sold out already...sorry
    #7
  8. luxlogs

    luxlogs Been here awhile

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    Mr. Harley

    Would you be so kind as to put my name on the 4 pot Brembo list for my 92 R100GS.

    Thank You in Advance and since there calling for snow tonight their is no hurry.

    Niel
    Luxlogs
    #8
  9. One Less Harley

    One Less Harley OH.THAT'S GONNA HURT

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    Well I've just found another, probably not have it done till after Christmas though.
    #9
  10. luxlogs

    luxlogs Been here awhile

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    Like I said no hurry, just glad to be on the list. Let me know when and where you would like payment

    Thanks

    Niel
    #10
  11. One Less Harley

    One Less Harley OH.THAT'S GONNA HURT

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    It's been a while since I've been able to find some of these. I buy them when ever I can but finding them at a decent price has been difficult, but I've acquired four more Brembos, two have been sold and only two left. See 1st post for price.
    #11
  12. luxlogs

    luxlogs Been here awhile

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    Got mine yesterday, can't wait too double my breaking power. Cheap at twice the price. THANKS:clap
    #12
  13. One Less Harley

    One Less Harley OH.THAT'S GONNA HURT

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    I hope they meet up to your expectations, don't forget the stainless brake line helps too.

    Here's the last two.

    [​IMG]
    #13
  14. luxlogs

    luxlogs Been here awhile

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    Just got my 4 pot Bremo from OLH, now I need to service it before install.

    BMW Part #'s

    Brembo Left Caliper 34 11 2 333 111

    Pads 34 11 7 663 764

    Repair Kit 34 11 2 331 631

    I Think, someone double check me before I place my order with Countryside BMW.

    Thanks
    #14
  15. One Less Harley

    One Less Harley OH.THAT'S GONNA HURT

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    You've listed the correct p/n for the pads and rebuild kit. The caliper p/n may not be right as there are some small differences with the pistons (same rebuild kit though),some have solid pistons and some are hollow (less heat transfer???? like yours Luxlogs), and some have a locating tab next to the brake line. If rebuilding, DO NOT PRY OUT THE PISTONS, as they are some sort of brittle ceramic and will crack, but the kit comes with new pistons. DO NOT SPLIT THE CALIPER AS YOU WILL NOT GET IT TO SEAL..BTDT!!!

    Are you going to rebuild it???? It should be fine, but I did purchase it used, so if you want to. Of all the ones I've done none have leaked. I wouldn't buy the BMW pads, they are very expensive!!! Get the Galfer Green pads, which I like, but there are others like EBC. Look for pads fitting K or R 1100's, R1200C.

    Something you might do before installing new pads is to use a brake rotor hone. This will knock off the glazing and is the best thing to do to keep brakes from squealing, which sometimes happens with new pads. It works better than sand paper.

    I DON'T THINK YOU WILL DOUBLE YOUR BRAKING POWER, but it will be a noticeable improvement!
    #15
  16. luxlogs

    luxlogs Been here awhile

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    I first searched for Galfer Green Pads FD 198G 1532 and didn't come up with any results. Then I looked for BMW calipers that fit on both the K1100 as well as the R1100 looking for part #'s because we all know the first question we get asked is what make year and model. Not having that, we need part #'s. Part guys don't understand doing anything thats not stock. If its not on the fifch it doesn't fit your bike, or so I have been told.

    Never seen a rotor tool like that before, may have to try that out.

    PS, If two pots stop you real good than 4 pots stop you real real good. Do the math.:freaky
    #16
  17. One Less Harley

    One Less Harley OH.THAT'S GONNA HURT

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    One caliper left as of 1/13/13

    When calling for parts I just look for a 1993 K1100RS, as that's a bike I had and uses the correct pad. BMW may spec out different pads for say the R12C or R1100GS.

    Try Galfer green FD198 G1651, Happy Trails list them. the p/n I gave earlier was what was on my last set.

    Another reason I like the Galfer pads is they have spring clips (see pict below) for the brake pin. Some other pads don't.

    [​IMG]
    #17
  18. KeithW

    KeithW AIRHEAD

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    Do they fit 05 GSPD. Sorry for asking but I have been away from BMW's for awhile. If they do fit I want ONE put my name on it and contact me.
    #18
  19. KeithW

    KeithW AIRHEAD

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    That is 1995 GSPD I did not proof read good.

    KeithW
    #19
  20. One Less Harley

    One Less Harley OH.THAT'S GONNA HURT

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    The caliper will fit 1987-95 R100GS's that have the OEM fork.
    #20