E64 M6 Power steering fluid dilemma

[Katanator]

So whilst doing some other work decided to change power steering fluid.

All sources indicate chf 11s.

However it currently has red fluid and cap says atf (red) only.

I know the chf 11s marking was only a green sticker on the cap which could have been removed.

Question is what do I use now and can the two mix whilst flushing from the top a few times?

 

[Katanator]

Think it might be best to stick with whats in there and on the cap (ATF)

According to Redline it might even be superior:

 

[VinceM]

This is what I used, bought directly from BMW.

Re: E63 650i

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[PsyCLown]

@Katanator What did you end up doing BTW?

 

[Katanator]

ATF Dexron2. That is what was in and on the cap and the video above convinced me.

It seems like some of them use chf and some atf even though it can be the same model engine.