I bought these and just modified the groove.
https://www.ssdd-motorsport.com/bmw-...tips-set-of-4/
They also have cf for the f90.
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G80 Comp, Hcp custom e50, 9.69@141
F90 Comp, Hcp custom e40 meth, 9.76@143, 174ml/h 1/2ml 60-130 5.53
F10 M5, HCP Tune ,BM3, 10:8@137, 166.05 1/2ml.
Ig @mcc420