Approximate repair cost on 2002 BMW 325xi

Approximately how much should I pay to repair each of the following:
Crankcase Vent Vale and Hose Leak
Oil Filter Housing Gasket Leak
Craked Drive Belt
Weak Fan Clutch

And, where is the best place to have this done in St. Louis, MO

Asked by for the 2002 BMW 325xi
due to ur problem you may pay a lot