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E36 M3 (1992-1999) {Euro - S50 B32 321hp @ 7400 rpm} {U.S. - S52 B32 240 hp @ 6000 rpm}
Total Produced: 71,212 - Years Produced: 1992 to 1999


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Old Sun, Feb-26-2017, 02:57:27 AM   #41
fiveightandten
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Default Re: Leaking Rear Differential That Pops/Grinds/Cracks????

Quote:
Originally Posted by thirtysixnick View Post
I actually think you're right... The drivers side was leaking after all of this happened. Would that be a part of described problem? I'm going to get it up in the air sometime this weekend and unbolt it and give it a feel... If it feels fine, I have a friend from tech school with a 3.15 LSD that is in good shape and is willing to install it for me for $400. If the axle is the source of the problem what exactly is the part number? I looked on RealOEM and couldn't really pinpoint it....
33212228513

But you're not going to want that. The BMW ones are $600+.
https://www.ecstuning.com/b-genuine-...33212228513kt/

People who have replaced them may have some brands they recommend. You can shop around for options like this:
http://www.partsgeek.com/catalog/199..._assembly.html

A lot of those aftermarket axles are garbage and you may be better off with a used factory unit from a reputable supplier. But if you wind up needing an axle, ask around. I'm sure someone has familiarity with aftermarket units.
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Old Sun, Feb-26-2017, 03:04:56 AM   #42
Dhangejr
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Default Re: Leaking Rear Differential That Pops/Grinds/Cracks????

Quote:
Originally Posted by fiveightandten View Post
33212228513

But you're not going to want that. The BMW ones are $600+.
https://www.ecstuning.com/b-genuine-...33212228513kt/

People who have replaced them may have some brands they recommend. You can shop around for options like this:
http://www.partsgeek.com/catalog/199..._assembly.html

A lot of those aftermarket axles are garbage and you may be better off with a used factory unit from a reputable supplier. But if you wind up needing an axle, ask around. I'm sure someone has familiarity with aftermarket units.
Aftermarket = garbage

Mail to these guys they rebuild em for fair price. I have not used them yet, but they left a good impression after speaking on the phone with them.

http://cvaxleexpress.com
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Old Sun, Feb-26-2017, 05:47:28 AM   #43
thirtysixnick
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Default Re: Leaking Rear Differential That Pops/Grinds/Cracks????

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Originally Posted by propchef View Post
I'm more than twice that and *I* can't afford the damn thing.


Good work OP. Learning how to DIY is critical for long-term sanity and ownership. Hope you get it sorted soon.
LOL, what mess have I gotten myself into...
Appreciate the wishes though. Not being able to drive it is KILLING me.

Quote:
Originally Posted by fiveightandten View Post
33212228513

But you're not going to want that. The BMW ones are $600+.
https://www.ecstuning.com/b-genuine-...33212228513kt/

People who have replaced them may have some brands they recommend. You can shop around for options like this:
http://www.partsgeek.com/catalog/199..._assembly.html

A lot of those aftermarket axles are garbage and you may be better off with a used factory unit from a reputable supplier. But if you wind up needing an axle, ask around. I'm sure someone has familiarity with aftermarket units.
I saw a decent seller on ebay selling both axles for only $200. They have very positive feedback though and they also come with a return policy and allow the option to purchase a one year warranty so it might be what I buy if getting it re-manufactured is beyond my price range.

Quote:
Originally Posted by Dhangejr View Post
Aftermarket = garbage

Mail to these guys they rebuild em for fair price. I have not used them yet, but they left a good impression after speaking on the phone with them.

http://cvaxleexpress.com
I just emailed them as it is pretty late currently. Hopefully they get back to me with a good quote.


Once again, thank you all for the responses. I do my best to not be annoying about anything, I'm just trying to learn.
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Old Sun, Feb-26-2017, 02:01:00 PM   #44
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Default Re: Leaking Rear Differential That Pops/Grinds/Cracks????

theres also a guy on bimmerforums who rebuilds them and will reinforce them if you want. His name is butters stoch. don't know what he charges but a lot of the forced induction guys get them rebuilt by him. If you're pulling the axles i would definitely pull the Diff and do the 3 clutch upgrade from thayer http://thayermotorsports.com/collect...m-3-clutch-kit

I did it if you find my build thread. Its straight forward job as long as you put everything back the way it came out.
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Discussing Leaking Rear Differential That Pops/Grinds/Cracks???? in the E36 M3 (1992-1999) Forum - {Euro - S50 B32 321hp @ 7400 rpm} {U.S. - S52 B32 240 hp @ 6000 rpm}
Total Produced: 71,212 - Years Produced: 1992 to 1999 at BMW M3 Forum.com (E30 M3 | E36 M3 | E46 M3 | E92 M3 | F80/X)