The GSC Power Division S3 billet camshaft kit for 2021–present BMW M3 with S58 engine includes an intake trigger and is recommended for use with upgraded turbochargers or a ported cylinder head. These billet cams are tailored for forced-induction builds where supporting turbo and head work are part of the modification plan. Sold as a kit.
GSC P-D 2021+ BMW M3 S58 S3 Cams 292/300 Billet w/Intake Trigger (Use w/Upgraded Turbo/Ported Head)