I looked at the M240 recommendations in the owners manual and for the 18” square, it says 32/38. They don’t list a square set up for the 17” for the M240, but for the 230 it’s 32/33.
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'01 X5 3.0 AlpWhite
'16 428i GC AlpWhite
'19 230i MSptPkg AlpWhite
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