BMW’s B58 engine has undergone several revisions, we have simplified into:Gen 1, Gen 1.5 and Gen 2.
The Gen 1 B58 Camshafts are available in 3 different grind profiles.
257-A - 270/268 | Stage 1: Stage 1 cams for engine with bolt on intake, exhaust and turbo upgrades. Engines producing around 550-750hp running a 58-68mm turbo.
257-B - 285/280 | Stage 2: Stage 2 racing cams for professionally built BMW B58 engines making 750hp-1000hp. Turbo sizing 62-72mm. Great with aftermarket intake plenums.
257-C - 288/288 | Stage 3: Stage 3 drag racing cams for professionally built B58 Gen 1 engines making 1200hp+. Turbo sizing 72mm+ on high boost. Fuel type ethanol blend or methanol. Must have valve spring upgrade.
