Schrick is probably the foremost valve gear and camshaft manufacturer in the world. They produce fast road, race spec and custom camshafts for almost all BMW models. Schrick also makes many of the OEM factory and aftermarket tuner cam and valve gear products. Schrick manufactures the finest performance camshafts from billet cores.
You can expect a 10HP gain, but this will vary based on which other modifications you currently have installed.
BMW S62 V8 (8 cylinder; 4 Valve) BMW M5 (e39) - 4 cams included: