Depends on a number of factors but the most important is what does the label on YOUR power steering fluid reservoir state - ATF or CHF 11S - 'cause they vary a bit.

If it says ATF then stick with ATF and not a power steering fluid like the Redline product. Unless you want to do a full flush and replacement.

*edit* - hang on - just read the Redline specs - seems this stuff IS compatible with ATF... so maybe it's OK to use where your reservoir states ATF and NOT CHF 11S..

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Wayne
2005 BMW X5 3.0d (b 02/05)
2001 BMW F650GS Dakar (b 06/01)