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E36/7 Z3 (1996-2002)
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Old 11-13-2012, 06:28 AM
TBuff TBuff is offline
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Location: Burlington, NC
Join Date: Mar 2012
Posts: 24
Mein Auto: Durango
Z3 rear diff mount issues

I am currently building a 99 Z3 for the wife. The car was given to me as payment for some work did for the owner. The issue is the car was in a wreck, it was hit on the driver side rear quarter. I found a parts car for cheap and have most of what I need to fix the car. I will be swapping the rear diff assembly from the parts car as the lower control arm on mine was bent. I have both assemblies out and the diff I will be installing at the local BMW shop being inspected before installation.

The big question I have is the diff mount is starting to split. The only place splitting is where the third member bolts to the body, I do not see any other stress cracks in the body. I understand this is a common issue and there are kits out there to reinforce this area. Can anybody suggest a good kit to go with? I've looked at several sites and not found anything as of yet, I think UUC makes one?

The original diff had 3:15 gears in it and the new rear has 4:10 gears since it was an auto. It should make for a fun car to drive when I is done! Thanks in advance for the info.
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