The GSC Power Division Billet S2 camshaft kit for BMW B58 Gen 1 is specified with a 284/288 cam profile and supplied in billet form for use with turbo upgrades. Labeled as the S2 option for B58 Gen 1 engines, this camshaft kit lists the 284/288 specifications for customers planning turbo-oriented valvetrain changes.
GSC P-D BMW B58 Gen 1 S2 Camshafts 284/288 Billet (Use w/Turbo Upgrade)