Yes there's a chap on babybmw here in the UK who had superchips on his M135i [same engine as M235i].
IIRC he resorted to JB4 in the end as he wanted more flexibility to tweak his tune.
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Fettled M135i EB AT then AW M2 DCT - both gone but not forgotten:
Current '22 X3M LCI..
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