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Old 02-23-2010, 01:19 AM   #1
STORMER
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Dreaded Rear Diff Bushing DIY

Hey guys wasup? Have been looking and searching on this adventure and I am about to embark on the dreaded rear diff diy and need a lil input from you guys on these tools??? 1.http://cgi.ebay.ca/BMW-E46-E85-Rear-...item519086c024


2.http://cgi.ebay.ca/BMW-E46-E85-Rear-...item5190b72258

So whats the deal here are these not the same tool? or am i missing something ?? has anyone used one of these tools? work good or no??
Any feedback on this situation would be appreciated thanks
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Old 02-23-2010, 01:34 AM   #2
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come on guys looking for some insight .... i know u got it
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Old 02-23-2010, 02:31 AM   #3
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first one seems to be for the rear diff bushing.
while the second one is for the two front bushings for the diff.
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Old 02-23-2010, 04:31 AM   #4
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Originally Posted by i_ween View Post
OP: I am sure your English Writing teacher told you this every year, regardless of who s/he was: writing is important. Others will either respect you or ignore you or piss on you if you type like a moron. This isn't an instant message site; it's a forum. We aren't texting each other right now. We are typing messages. Type regular English and people are more likely to respond.
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Old 02-23-2010, 06:54 AM   #5
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tell us how it goes.
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Old 02-24-2010, 10:05 PM   #6
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Originally Posted by Alex323Ci View Post
first one seems to be for the rear diff bushing.
while the second one is for the two front bushings for the diff.
u know what my friend i do believe you are correct haha i am going to be purchasing these puppies and putting them to good use i would like anyone who is interested in perhaps doing the same job let me know i will be putting them up for sale when i am done HALF PRICE so let me know guys will keep updated i know there is already a DIY here on it but i may add one of my own at least maybe some pics
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Old 02-24-2010, 10:07 PM   #7
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Originally Posted by fibonacci00782 View Post
see my sig
So let me get this straight. In order for you to make an educated comment you have to use the intelligence of somebody else to speak for you is that it? There is a time and a place for everything my friend.
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Old 03-10-2010, 11:02 PM   #8
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This Weekend!!!

Ok so I am about to attempt the job this weekend; may or may not document but none the less i have recieved the needed tools. I ordered them through Baum Tools and believe me they are extremely high quality!!! Will be putting them up for sale immediately after the job is completed if anyone is interested just let me know
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Old 03-11-2010, 05:58 AM   #9
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I'm interested in both your thoughts on the process difficulty, as well as possibly purchasing the tools when you're done. Keep us posted and let us know how it goes.
I just finished reading a DIY here about a guy who took almost 3 weeks to get his bushings OUT let alone back in the car

~A
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Old 03-11-2010, 06:17 AM   #10
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I'm very interested to see how this goes with the proper tools. Keep us posted!
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Old 03-11-2010, 07:07 AM   #11
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There is a DIY on this site but it rates it 9.5 out of 10 in difficulty. I read it a while back, however I didn't see anything about it using the tool.
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Old 03-11-2010, 08:29 AM   #12
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Originally Posted by BMW323iWhite View Post
So let me get this straight. In order for you to make an educated comment you have to use the intelligence of somebody else to speak for you is that it? There is a time and a place for everything my friend.
All of my comments are educated, but my requests that OPs keep their threads readable... yes I do refer to someone else's post. Your point?
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OP: I am sure your English Writing teacher told you this every year, regardless of who s/he was: writing is important. Others will either respect you or ignore you or piss on you if you type like a moron. This isn't an instant message site; it's a forum. We aren't texting each other right now. We are typing messages. Type regular English and people are more likely to respond.
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Old 03-11-2010, 10:37 AM   #13
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Dropping the diff is tedious and time consuming but not at all difficult. With the Baum tool, once the diff is out of the way, you can swap the bushing out within a matter of minutes with almost no effort. People rate this job as difficult because they attempt it without the proper tool which tremendously increases the difficulty of the task.
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Old 03-11-2010, 10:43 AM   #14
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Link to the Baum tool?
Also - from what I have read, the front and side bushings require different size cylinders to pull - does the Baum tool come with both sizes?
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Old 03-11-2010, 11:27 AM   #15
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I did it without any special tools and yes, special tools will make it easier. It is rare for the two front bushing to fail, so leave those alone. I Basically did the following:

1. Remove differential.
2. Using a twist bit and drill motor, I drilled a series of holes around the perimeter of the bushing (between inner and outer sections). This allowed me to remove the center section of the bushing.
3. Using a reciprocating saw (with metal blade), I cut through the outer shell of the bushing while taking care to avoid cutting into the bushing carrier.
4. Using a cold chisel, I easily knocked the cut bushing out of the carrier.
5. Using a 1/4 metal plate, 1/2" bolt (several different overall lenghts), washers and nut, short lengths of metal pipe (just larger diameter than bushing, I pulled the new bushing in place.
6. Reinstalled differential.

All together, it probably took me a good 4-6 hours.
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Old 03-11-2010, 11:31 AM   #16
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About to do this on my car, which has 200k+ miles...so I should only change the rear diff bushing and not the two fronts because they don't fail?

Thanks
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Old 03-11-2010, 11:34 AM   #17
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Yes, however, you should check the front bushings, but more than likely they are ok...the fronts just don't see the forces the rear bushings gets.
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Old 03-11-2010, 12:47 PM   #18
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Quote:
Originally Posted by slickware View Post
I'm interested in both your thoughts on the process difficulty, as well as possibly purchasing the tools when you're done. Keep us posted and let us know how it goes.
I just finished reading a DIY here about a guy who took almost 3 weeks to get his bushings OUT let alone back in the car

~A
So just to clarify the tools i decided to purchase are not the ebay tools( I read of someone using them and they become deformed in the process-cheap) but they are rather professional grade mechanics tools from Baum Tools.http://www.baumtools.com/pdf/bmw_rear_axle.pdf. B333360 and B333370.


Quote:
Originally Posted by Silver325 View Post
I'm very interested to see how this goes with the proper tools. Keep us posted!
Yes due to interest I will be in fact documenting this project. Although not as in depth as other DIY's already posted on this as it would be just repeat information.

Quote:
Originally Posted by wat3rbug View Post
There is a DIY on this site but it rates it 9.5 out of 10 in difficulty. I read it a while back, however I didn't see anything about it using the tool.
I also have read that one a couple of times but where he went wrong was in fact not having the proper tools Thats what led me to my recent purchase. My buddy and I are actually looking forward to this project if not just for the excitement of using my nice fancy new tools
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Old 03-11-2010, 12:55 PM   #19
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Quote:
Originally Posted by David F View Post
I did it without any special tools and yes, special tools will make it easier. It is rare for the two front bushing to fail, so leave those alone. I Basically did the following:

1. Remove differential.
2. Using a twist bit and drill motor, I drilled a series of holes around the perimeter of the bushing (between inner and outer sections). This allowed me to remove the center section of the bushing.
3. Using a reciprocating saw (with metal blade), I cut through the outer shell of the bushing while taking care to avoid cutting into the bushing carrier.
4. Using a cold chisel, I easily knocked the cut bushing out of the carrier.
5. Using a 1/4 metal plate, 1/2" bolt (several different overall lenghts), washers and nut, short lengths of metal pipe (just larger diameter than bushing, I pulled the new bushing in place.
6. Reinstalled differential.

All together, it probably took me a good 4-6 hours.
How i did it too, i did however have a shop cut the metal part with acetyne and then the stealer put the bushing in for me.

I replaced the two smaller ones myself.

Replacing all of these bushings are a ***** to do yourself without special tools.

However special tools can be made yourself by following David's comment.. wish i had known that before i went -20$ to have the dealer do it.(delaer was kind enough not to charge me the real $100 cuz i dint want an expensive receipt)
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Old 03-12-2010, 12:41 AM   #20
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I wish Vorshlad would offer some poly diff bushings to match their engine and tranny mounts.

Good luck to the OP...I look forward to your DIY!
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