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#752296 - 01/09/12 03:11 PM Re: Rear drive brake disk flange [Re: TestPilot]  
Joined: Jul 2000
Posts: 12,058
Paul Mihalka Offline
Old Fart
Paul Mihalka  Offline
Old Fart
Member

Joined: Jul 2000
Posts: 12,058
Sykesville, MD
There has been more than one change over the years. The last previous part no. is 33117699631. The newest number is 33117722831, must be used in conjunction with a new spacer ring 33118521832 - which means the new part is slimmer than the old one. The change must have been recent. Checked last Saturday on the shop computer, BMW had one in stock worldwide of the old number but several of the new one and the MAX BMW parts fiche that does not have the latest update still shows the old number incl. for '10/11 .


Age is a issue of mind over matter. If you don't mind, it doesn't matter... (Mark Twain)
Many years and 1 million (s)miles.

'05 R1200GS lotsa miles (sold)
'09 Yamaha Majesty - yes, a scooter
#752578 - 01/10/12 04:51 PM Re: Rear drive brake disk flange [Re: Paul Mihalka]  
Joined: Jul 2000
Posts: 5,938
Lone_RT_rider Offline
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Lone_RT_rider  Offline
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Posts: 5,938
Germantown, WI
Originally Posted By: Paul Mihalka
There has been more than one change over the years. The last previous part no. is 33117699631. The newest number is 33117722831, must be used in conjunction with a new spacer ring 33118521832 - which means the new part is slimmer than the old one. The change must have been recent. Checked last Saturday on the shop computer, BMW had one in stock worldwide of the old number but several of the new one and the MAX BMW parts fiche that does not have the latest update still shows the old number incl. for '10/11 .


Wow... It's a good thing I don't use the brakes all that much. grin rofl

lurk

#756342 - 01/29/12 02:28 AM Re: Rear drive brake disk flange [Re: Lone_RT_rider]  
Joined: Jul 2000
Posts: 12,058
Paul Mihalka Offline
Old Fart
Paul Mihalka  Offline
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Member

Joined: Jul 2000
Posts: 12,058
Sykesville, MD
Got the new brake disk flange and it is VERY different from the old one. It is not aluminum, but steel! The center is thinner than before and has to be installed with a spacer ring. The job was done in the shop, I brought it home today.
Pictures:

Old flange (see broken and cracked mounting points), front and back:





New flange:






Age is a issue of mind over matter. If you don't mind, it doesn't matter... (Mark Twain)
Many years and 1 million (s)miles.

'05 R1200GS lotsa miles (sold)
'09 Yamaha Majesty - yes, a scooter
#756365 - 01/29/12 06:49 AM Re: Rear drive brake disk flange [Re: Paul Mihalka]  
Joined: Aug 2009
Posts: 1,242
longjohn Offline
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longjohn  Offline
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lax
Thanks for the pics Paul. It looks as though BMW goes overboard at times in the effort to save weight on these bikes.


John

2005 R1200RT 3.8k 31k 71k and rising
1990 PC 800 (dead) 100+k
1979 Yamaha XS750F (sold) 79k
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