is250 differential fluid?
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I would say at Minimum every 15k or Maximum 30k..
At 15k I plan on draining & refilling myself with Royal Purple synthetic..
After that.. it will be every 30K for me..
So 15k, 45k, 75k .. etc, etc...
Even if the manaul says good till 100K.. I'll be sticking to my plan..![Big Grin](https://www.clublexus.com/forums/images/smilies/biggrin.gif)
Joe Z
At 15k I plan on draining & refilling myself with Royal Purple synthetic..
After that.. it will be every 30K for me..
So 15k, 45k, 75k .. etc, etc...
Even if the manaul says good till 100K.. I'll be sticking to my plan..
![Big Grin](https://www.clublexus.com/forums/images/smilies/biggrin.gif)
Joe Z
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