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DIY: Do It Yourself
Post here to share or improve your wrench turning skills! All BMW E46 DIY tips, tales, and projects discussed inside. Learn to work on your car and know the right BMW parts you will need!

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Old 10-14-2004, 09:42 PM   #1
teamdfl
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Rear wheel bearing DIY

Rear bearing replacement requires some specialized tools but no specialized skills. The average hack mechanic can do the job with the proper tools and a spare set of hands. I know that my local BMWCCA chapter has the bearing tool and will loan it out to local members. Koala Motorsport will rent you the necessary tools too.

http://www.e46touring.com/installs/rear_wheel_bearing

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Old 02-25-2006, 12:56 PM   #2
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how simmiliaar is this to the front wheel bearing one?
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Old 02-25-2006, 08:37 PM   #3
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You get a giant gold star for searching!

Fronts are much easier than rears because the hub and bearing are a single unit. You replace the whole assembly. Sometimes, the inner bearing race stays on the front spindle but it is easily removed with a puller.
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Old 02-26-2006, 07:34 AM   #4
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Is that you in the second pic on page one, dude you need a new wardrobe the 70's called they want their clothes back
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Old 02-26-2006, 10:48 AM   #5
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Thank you so much, I ordered mine last thursday from turner motorsport. I plan on doing it tuesday or wednesday when the part gets here.

Thank you again, your DIY helps a lot.
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Old 02-26-2006, 10:49 AM   #6
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Quote:
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Is that you in the second pic on page one, dude you need a new wardrobe the 70's called they want their clothes back
your such a tool. DIE
Honestly was your comment needed at all? your nothing but a douche...
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Old 02-27-2006, 01:04 AM   #7
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Quote:
Originally Posted by sheefo2k
how simmiliaar is this to the front wheel bearing one?
Check out Ed's thread for R&R of the front wheel bearings:

http://forum.e46fanatics.com/showthread.php?t=182825

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Old 02-27-2006, 07:15 PM   #8
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thank you so much, yea found that one to haha now all i gotta do is wait till tommorow for the wheel bearing to come in
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Old 02-27-2006, 07:36 PM   #9
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Is that you in the second pic on page one, dude you need a new wardrobe the 70's called they want their clothes back

Hey, my velour leisure suit was at the cleaners.
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Old 02-27-2006, 09:27 PM   #10
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Hey, my velour leisure suit was at the cleaners.
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Old 03-01-2006, 09:38 AM   #11
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Is an alignment needed after swapping the rear bearing? Also, WHere can one rent/buy the tool needed?
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Old 03-01-2006, 11:20 AM   #12
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The most pain in the ass part of changing it is taking off the torx bolts out of the diff so you can get the rod off...
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Old 03-01-2006, 03:54 PM   #13
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Quote:
Originally Posted by abefroman
Is an alignment needed after swapping the rear bearing?
Not needed.
Quote:
Originally Posted by abefroman
Also, WHere can one rent/buy the tool needed?
You can use the following special tool: B90-BMW Hub/Wheel Bearing R&R Kit

I haven't R&R the rear wheel bearing on my car yet, but I presume the special tool only simplifies the R&R of the bearing. (i.e. the complete DIY still remains a bit of a chore.)
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Old 03-01-2006, 03:56 PM   #14
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Don't forget a good set of Female Torx sockets to add to your tool collection.
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Old 04-23-2008, 10:33 AM   #15
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New link:
http://teamdfl.com/bmw/e46/rear_wheel_bearing/
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Old 03-07-2010, 11:07 AM   #16
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After replazcing a couple dozen rear wheel bearings, I thought I had seen and done it all. Sadly, I surprised myself and just finished removing the biggest PITA rear wheel bearings ever.

One CV joint screw refused to budge at the diff output flanged. I eventually stripped the head so I resorted to one of those bolt-out stripped fastener tools. That polished the remaining metal pretty well so out came the grinder. After removing what was left of the head all the way down to the CV joint body, the axle was just able to slide off the remaining portion of the bolt. I still have to deal with this output flange and the chunk of metal protruding from it.

The axle on the driver side resisted all my usual tricks so I borrowed a 10 ton puller. The passenger side came out with a 10lb hammer.

Both hubs resisted even the 10lb hammer applied to a socket on the inboard edge. I remembered a friend went through something similar on his E36 race car so I raided his garage and came up with a 13lb slide hammer. One of the threaded collars was the perfect size for the shaft after putting it through the hub. It took about 50 whacks on the first side and 20 on the 2nd to get the hubs out.

Both bearing retainer snap rings were rusted and/or hammered into place after the hub disaster but some careful punch work freed them up.

What scares me is that the bearings came out easily with the SIR Tools B90 bearing puller. If the bearings gave me a problem, I think I would have set fire to the car.
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Old 03-07-2010, 03:28 PM   #17
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The stub of a CV joint screw came out of the output flange with lots of heat and a giant pair of vice grips. I r0xzzorz.

I want to punch someone.
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Old 03-09-2010, 02:27 AM   #18
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Now that, must have been a challenge Ed! I wish you were on the west coast so you could you replace my rear wheel bearings when needed, LOL.

So far, my original bearings are still performing well *knock on wood*
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Old 03-15-2010, 07:50 AM   #19
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For once, something went very well. I cleaned up the splines ont he axles and in the hubs with wire brushes. The hubs still had some gunk so I LIGHTLY cleaned the splines with a triangle file. The hubs and axles then went together by hand. As soon as I get some CV joint screws, I'm back in business.
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Old 05-07-2010, 06:18 PM   #20
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I'm having problem getting the axel out of the Wheel hub. Any suggestions?
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