Someone can correct me if im wrong but there is no adaptive M suspension on the F10. There is an M Sport suspension that is NON adaptive and then there is the adaptive suspension that is available on all models. but to answer the question more generally, yes the adaptive suspension can be retrofitted with lowering springs like ACS springs, Dinan springs or H&R. And the tire sizes you mention should fit fine as long as your wheel offsets are not overly aggressive.
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