The two piece front winglets are only listed by BMW for the OG and LCI, (part numbers as above), while the one piece splitter and winglets is only listed by BMW for the M2C (part number 51192449476).
I can see the two piece winglets fitting all models (subject to the radiator for the charge cooler not getting in the way), but would be surprised if the one piece fits anything other than the M2C.
HTH
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