Good to know.
FWIW I have GFB DV+ on my M2 and it was flawless whilst running stock tune and coming into its own with BM3 93 stg 2 OTS. At upper boost levels, GFB DV+ holds boost more consistently than oem DV - which can start to flutter/oscillate for the reasons OP describes above.
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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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