Reply With QuoteIt is not synthetic. I have the same tranny in my 2, 1991 525i (made by GM) as your car, and Dexron III is what I have been using for years.
Originally Posted by chapmanw
Auto tranny flush '93 525i, Dexron ii or iii ???
Just wondering if there's any atf fluid that is highly recommended? stick to dealer fluid?
I was also wondering if there's any major difference between Dexron ii and Dexron iii. Can I use the iii. Is it synthetic? Thanks for the help. I've never done a tranny flush. Seems like the previous owner hasn't either.
Big, Big Time Poster
Use the Dexron III - it is the improved version of Dexron II
It is not synthetic. I have the same tranny in my 2, 1991 525i (made by GM) as your car, and Dexron III is what I have been using for years.
Green Beret Special Ops
you can get Dextron III in Royal Purple, claims to be synthetic and not too expensive. Going to see if its synthetic now so i might end up editing this post.
it's synthetic.
here:
http://www.royalpurple.com/prodsa/matfa.html
Last edited by 632 Regal; 11-08-2004 at 05:20 PM.
95 E34 530I V2.37
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4 Grand Master
Valvoline Dextron ATF (regular), Pennzoil ATF (semi-synthetic) or Mobil 1 ATF (full synthetic)
Big Time Poster
Dexron iii has a higher temperature rating than Dexron ii. Dexron iii can be used in Dexron ii systems, but Dexron ii should not be used in Dexron iii systems. Here is a link that might be useful, it is the exact A/T on my 92 525ia.
http://www.pelicanparts.com/bmw/tech...Fluid_Auto.htm
I use it, it is a really good product. my 533 has 203,000 and still going.
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