i just bought this car about three months ago and i took it to a bmw dealer for testing and they came up with all these problems and i noticed that most people here in the forum are basically mechanic relatively speaking. could somebody help me with instructions on how to do the following (possible pictures etc..) or any information that will help me thanks.
1)belts need to be replaced
2)master cylinder leaking (no fluid in resevior)
3)valve cover gaskets leaking
4)what is the water pump
Please advice