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      03-28-2023, 06:48 PM   #95
tlow98
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Drives: 2009 E91, 2014 F15 x35i
Join Date: Aug 2011
Location: Bay Area

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Quote:
Originally Posted by Clifton View Post
As mentioned at the start of the tread, I changed mine at 33K from new (see pics). The interval seemed early and my fluid didn't look too bad; about like cola in color. What ultimately pushed me to change the fluid was a set of new tires and learning the small volume of oil in the Xfer case. I also had symptoms of the dreaded "stutter" with any type of road jolt, e.g., bridge expansion joints. With the install of new tires, new fluid, and re-calibration, the frequency of stutters reduced.

Since the case only holds oil equal to that of small lawnmower, I'll most likely stick with short 30K-36K intervals mainly to hedge my bets. It also aligns well with my current tire replacement.
Completely agree on the volume of the fluid - it's practically nothing.

BTW, thanks for creating this thread. You gave me the initial push to DIY the TC, and your directions were spot on - much appreciated Clifton.
Appreciate 1
Clifton223.00