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      09-21-2019, 07:32 PM   #185
pungo
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Drives: Z4MC-X3-35i-525i, Corrado G60
Join Date: Nov 2007
Location: MD

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Quote:
Originally Posted by F30ed View Post
Replaced fluids in both differentials and the transfer case. A few notes:
- The OEM liquids are very expensive, about $50 per 0.5L. Well, I did not want to take the risk as I do it once.
- Old oils were dark, real dark, for all 3.
- Long bolt in Transfer case brace was PITA. I had to use wire to push it thru. reassembling back is easier.
- Replace all plugs (4). They are same size.
How many miles on your fluids? They do look pretty dark. What type of driving? City, highway, towing, mountains, loaded with weight? What about the trans fluid, has than been done or is that next?
I have a 2011 w/ 60k miles and thinking to do all mine soon (diffs/transfer/trans).
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