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Old 03-28-2011, 04:08 AM   #91
Redron
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Joined: Mar 2006
Location: Darwin Australia
Oddometer: 25
Keiron

Quote:
Originally Posted by Raineman View Post
I have reported this issue to the WA BMW distributor and am awaiting advice as to the procedure to consider a recall or advisory.
Their first response was 'it's probably a fault on USA models only (I live in Western Australia). Then 'we haven't ever replaced one before"

I would appreciate those of you who have had this issue please supply the following details which I will pass to BMW to show that this is not a one-off problem, and appears to be manifesting itself with 60 to 70,000km:

Bike year
Milage
Location (country/state)
Fault (cracks, disintegration, etc.)
Contact detail (email should do)

thanks
Ken
Send me an email to spyke60@gmail.com.
I now have my second flange beginning to crack. Two places were the disc attaches. Bike now at 52000 ams 05 model.
First flange was found cracked at 5 places at about 43000 ams.

keiron
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Old 03-28-2011, 04:09 AM   #92
Redron
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Keiron
Darwin
NT

Quote:
Originally Posted by Redron View Post
Send me an email to spyke60@gmail.com.
I now have my second flange beginning to crack. Two places were the disc attaches. Bike now at 52000 ams 05 model.
First flange was found cracked at 5 places at about 43000 ams.

keiron
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Old 03-28-2011, 04:20 AM   #93
Redron
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Pissed rear brake flange cracks

Hi there

Brake flange no 2 is on the way out
Darwin NT Australia
05 R1200gs
First flange noticed during a rotor disc change at about 42000 kms.
Changed myself using procedures as has been posted.
RTecently pulled swing arm of to lube bearings and drive shaft. Noticed two attachments now have cracks.
52000 kms
Bike not used offroad. Recently a bit of water on local highway, perhaps being caused by hot /cold. Use of brakes then a bit of a splash in water. Design??!!!. Was Easy enough to change the first one though this one coming up I will probably take the FD of and do it in a press. Does anyone know if there has been a recent design change in newer models that will fit the 05.
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Old 03-28-2011, 06:12 AM   #94
JimVonBaden
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What is it with you Aussies?

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Old 04-04-2011, 04:55 PM   #95
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Thumbs down

Just found 4 of the wheel mount flanges cracked...'05 model.
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Old 04-04-2011, 07:29 PM   #96
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Location: Denison Texas
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Removed my faulty rotor carrier this evening, 2006 GSA with 21k, ordered a new one from Fort Worth BMW today, they were very prompt and professional. The discovery of the faulty carrier is interesting in that if I hadn't lost the Oring on the sending unit when I changed the fluid in the final drive last week, oil wouldn't have slung out all over the wheel prompting my removal of the wheel to investigate. Had I not removed the wheel to investigate I wouldn't have noticed the cracks then I would be in Mexico all this week tooling around and it's quite possible total failure of rotor carrier would have ensued.
Yes I know I should have noticed the cracks when I changed the FD fluid last week but this sort of failure shouldn't even occur. Moral of story slow down take your time your life could depend on it.

Thanks to everyone who posted the info was priceless.
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Old 04-04-2011, 08:00 PM   #97
KankakeeBenjamin
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thanks

Thanks to all for this post and info. I have a final drive leak I am fixing now and never would have thought to check this. Thanks now I will check my final drive while the wheel is off. Dangerous
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Old 04-05-2011, 12:34 PM   #98
chiba
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Quote:
Originally Posted by JimVonBaden View Post
Together, and make a cool clock out of it with a Roundel in the middle!
Excellent idea, may do just that!

Had my rear wheel off after picking up my '05. No big cracks yet, but I can see just the tiniest hint of cracks starting to form; bike had 52k on it when I bought it. Going to replace the rear brake disc at the same time...

...so, dumb question:

Is there any reason the flange & disc can't come off together, then fit the new disc to the new flange, then reinstall them as a unit? I see some folks are putting the flange in the oven to install it, would that harm the brake disc?

I was lucky enough to have a coupon for my local dealer & got the flange for $215. Hard to beat that price - but I certainly hope I don't have to replace this part in another 50k.

--chiba
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Old 04-05-2011, 03:03 PM   #99
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Quote:
Originally Posted by chiba View Post
Is there any reason the flange & disc can't come off together, then fit the new disc to the new flange, then reinstall them as a unit? I see some folks are putting the flange in the oven to install it, would that harm the brake disc?
I think a brake disk will get lots hotter under use than you'll find in an oven heating the flange. But... I'd worry more about the fact that the flange might expand lots more than the disk due to the different materials. If they are bolted together will that stress the mounting holes?

It may be a non issue. While I used a 350 oven, the part wasn't that hot, probably closer to 250~275.
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Old 04-05-2011, 06:38 PM   #100
Iced Tea
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Pissed

You know it's redicolous that this part fails, this shouldn't happen, I was very close to having my rear disk tear loose while i'm possibly breaking on some remote Mexican mountian road.
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Old 04-06-2011, 05:01 AM   #101
JimVonBaden
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Quote:
Originally Posted by chiba View Post
Excellent idea, may do just that!

Had my rear wheel off after picking up my '05. No big cracks yet, but I can see just the tiniest hint of cracks starting to form; bike had 52k on it when I bought it. Going to replace the rear brake disc at the same time...

...so, dumb question:

Is there any reason the flange & disc can't come off together, then fit the new disc to the new flange, then reinstall them as a unit? I see some folks are putting the flange in the oven to install it, would that harm the brake disc?

I was lucky enough to have a coupon for my local dealer & got the flange for $215. Hard to beat that price - but I certainly hope I don't have to replace this part in another 50k.

--chiba
Hi Chiba,

Like Marc said, I wouldn't. Installing the disc is pretty easy with the flange on the bike.

http://www.jimvonbaden.com/R1200_Wav...r_Install.html

On the other hand, if you like, I would be happy to help you install the new flange on your bike at my place on the lift.

Jim
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Old 04-06-2011, 02:43 PM   #102
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had this on subscribe as I was due to change on the rear rotor on my 2006 GS, I guess I was lucky. Everything went fine and the wave rotors look pretty neat too
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Old 04-06-2011, 03:14 PM   #103
Kiwirich
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Wink I'm now on Number 3

I've just changed mine out. 05 GS with 80,000 km.
All 5 mounts cracked, Apparently the latest version doesn't have this "issue".

Install was easy with a Propane torch on the Boss to warm it up & just slip it on. I don't think I'd be doing it with the Disc on due to the different expansion rates.

I noticed it during the service. When I saw it, 4 were only Hairline cracked with only one Tag split completely.By the time I changed it about 600 Km later, 3 of the tags broke off completely when I unscrewed the disc.

Could well have developed into a very embarrasing moment, Very glad I found it.

Richard
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Old 04-08-2011, 12:41 PM   #104
chiba
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Quote:
Originally Posted by marchyman View Post
I'd worry more about the fact that the flange might expand lots more than the disk due to the different materials.
Oooh - I hadn't thought of that. Of course aluminum & steel expand at different rates!

Quote:
Originally Posted by JimVonBaden View Post
On the other hand, if you like, I would be happy to help you install the new flange on your bike at my place on the lift.
Thanks for the offer! I may just take you up on that - using a lift is so much better than working on the ground all the time.

--chiba
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Old 04-09-2011, 04:24 PM   #105
JimVonBaden
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Quote:
Originally Posted by chiba View Post
Oooh - I hadn't thought of that. Of course aluminum & steel expand at different rates!


Thanks for the offer! I may just take you up on that - using a lift is so much better than working on the ground all the time.

--chiba
Let me know Wes!

Jim
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