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Old 04-11-2014, 03:55 PM   #1
Joyman OP
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R75/7 rear wheel bearings

I'll be taking my bike in to have the rear wheel bearings replaced, but the mechanic doesn't order parts himself. He explained that I will need the bearings, the bearing gasket for the cover (?), and 2 rear wheel seals. I've looked at MAX BMW's parts list, but am not 100% confident that I have located the right parts as I've never done work on a wheel.

Are these all of the parts I need to have the bearings replaced? Is there a better place to order some than through MAX (i've located some sets on Ebay, but not sure how they stack up in comparison)? Finally, if someone could be so kind as to let me know what part #'s I will need..

I appreciate any help.
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Old 04-11-2014, 05:57 PM   #2
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Quote:
Originally Posted by Joyman View Post
I'll be taking my bike in to have the rear wheel bearings replaced, but the mechanic doesn't order parts himself. He explained that I will need the bearings, the bearing gasket for the cover (?), and 2 rear wheel seals. I've looked at MAX BMW's parts list, but am not 100% confident that I have located the right parts as I've never done work on a wheel.

Are these all of the parts I need to have the bearings replaced? Is there a better place to order some than through MAX (i've located some sets on Ebay, but not sure how they stack up in comparison)? Finally, if someone could be so kind as to let me know what part #'s I will need..

I appreciate any help.
You will probably be better served by posting this in the Airheads department. If your mechanic didn't say anything about bearing shims then I think you should find a different one.
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Old 04-11-2014, 08:08 PM   #3
Duck_Pilot
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Bearings are easier than you think.

For bearings & seals, try pulling you wheel beforehand and looking at the ones to be replaced. There should be a universal number stamped on one of the races, which will identify the dimensions. The seal will have a number on it as well, and usually the dimensions. Simply take those dimensions to your local bearing house, and buy the best they have. Easy. You'll probably pay much less than at the BMW dealer, and may find better quality bearings as well.

Shims - as posted above - may indeed be a different issue, and one where I have no experience. Listen to that advice, and get more opinions.

Good luck.
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Old 04-12-2014, 10:18 AM   #4
chasbmw
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The question that you should ask your mechanic is, does he know how to set the preload on a BMW?

It's not really complicated, though some people do make it sound really complicatedr, but better done for the first time when you have time to think it through.

Replacing bearings does not of itself always require different preload shims, but they may be needed and it's better if whoever is doing the job has a selection at hand, so that they can get the preload correct and don't just finish the job with the wrong shims fitted, because they need to get the bike off the workshop floor and don't want to wait 3 days for the right shims to arrive.

This maybe why the job should be left for a BMW specialist, or the home mechanic.
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Old 04-15-2014, 01:53 PM   #5
manxkipper
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If its the same as the /5and /6 models make sure the mech heats up the hub prior to pressing the old bearings out. If he does not your hub will be damaged and it is not easy to repair.
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