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View Full Version : Quick one about Diff Seals (and some videos)



Grush
10-20-2009, 09:52 PM
Hi guys, how you've been doing?

It has been 6 months since my last post here. Got a new job and they blocked Bimmerforums there. That sucks. And since then I've being delaying the internet set at my new home as well.. so... anyways.

Here is a quick question about differential seals.

My differential is leaking right now. Everywhere. Anywhere. Somewhere. So I've decided to replace the side seals (the ones that goes for each wheel), and the rear seal.

Rear Seal - no problem finding it. Piece of cake.

Side Seal(s) - Not so much.

It should be at this link somewhere:
http://www.realoem.com/bmw/partgrp.do?model=HC91&mospid=47387&lang=en&hg=33&fg=10

According to the last 2 diagrams, It could be:

Number 5: http://www.realoem.com/bmw/showparts.do?model=HC91&mospid=47387&btnr=33_0372&hg=33&fg=10&lang=en
(33121213949)

or

Number 6: http://www.realoem.com/bmw/showparts.do?model=HC91&mospid=47387&btnr=33_0473&hg=33&fg=10&lang=en
(33107510289)

So my question is: Which one is the correct one, or which one is the one that holds the oil side, that should be leaking?

I know it would be much more easier to disassemble everything to figure it out, but I don't have the time right now. Car is being used on a daily basis, so it will only go over the jacks when is time to replace it.

Thanks for the help ;)

--x--
Oh, btw, here is the video:

http://www.youtube.com/watch?v=cm-YkEbdFvM

Double-clutched and down to 3rd gear pull (I think).

Here is another (boring) one:

http://www.youtube.com/watch?v=xFRBa1Jui1c&feature=player_profilepage#

First time I used the cell phone camera to record something, so nothing specific here. Just some regular footage.
--x--

Back to the question, anyone? :)

535ipower
10-20-2009, 10:03 PM
I don't know anything bout the questions but when i was down there i remember dad ha d a 91 opala comodoro 4cyl he is building one right now 92 comodoro with a 5 speed and 4.1 i6. Nothing like the m5 though not a lot of cars can mess with your down there huh?

Grush
10-21-2009, 12:10 AM
I don't know anything bout the questions but when i was down there i remember dad ha d a 91 opala comodoro 4cyl he is building one right now 92 comodoro with a 5 speed and 4.1 i6. Nothing like the m5 though not a lot of cars can mess with your down there huh?

Ohh... Opalas! Very popular among enthusiats here. Like the brazilian's muscle cars. I admire them, but I can't say that I would like to own one.

About the M5... It depends where I ride. At the highway, the M5 is a very strong car, compared to the most. Still, at the videos above, an unusual ammount of old cars appeared, probably because of the hour. The stronger and more common cars travel at night, and the ones that usualy can keep up are tunned cars, and other newer bimmers/mercs. But I also ride in group with them, so it's pretty much head to head with the older models. Can't say the same from the new top end BMWs and Mercs, or even the AMG/M versions. No need to go berserk at public roads though. Just a little over the law's edge is enough for a quick weekend coast trip full of fun, but still safe.

Any ideas on the Differential parts? Please? eheheh

Alexey535i
10-29-2009, 10:23 AM
Just a little over the law's edge is enough for a quick weekend coast trip full of fun, but still safe.


For that little over the edge of law, as seen in the first video, here in Australia the driver would have to pay a few very heavy fines and loose his licence for a very long time, and will get a criminal record as well