Hello all,

I have searched around and there is a lot of discussion about this, I am in the middle of power steering intake hose replacement along with the fluid reservoir. When buying new one in the part shop the guy said I need a green fluid (which I gather is CHF11S), as it is what is marked on the cap.

The old fluid was red, and true enough, it says ATF only on my original cap.

I believe that BMW has switched to CHF on most models eventually and that;s why the new reservoirs have a new marking. My question is:

Should I even consider switching to CHF11S or do I stick with ATF? I suspect I should keep using what was already in there, but wanted to check what are your experiences.

Thanks.

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2003 / 3.0i / Auto