E46Fanatics - View Single Post - Help with tranny fluid change
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Old 12-13-2012, 07:46 PM   #3
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Join Date: May 2009
Location: Washington (the state)
Posts: 1,689
My Ride: 2003 325xi
D4 was a preferred choice for many XI owners with the GM trans. I've read several posts where it has been stated - D4 is VERY close to the original factory (Texaco) spec. It has been in more recent years that BMW recommended Dex VI as a replacement. D4 is known to blend well with the remaining fluid and be chemically compatible. User tested - user approved.

You're fine and D4 is going in my ride (74 K mi.) next spring.
Anything made can be made Better
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