Where exactly are the upper and lower hoses located on the radiator? on 2004 BMW 325i

Im am going to replace the upper and lower radiator hoses and i need to know where exactly are the located. I also want to know if it fairly easy to replace the hoses, or should i have a mechanic do it?

Asked by for the 2004 BMW 325i
Have a mechanic do it. They utilize snap rings to hold the hoses on to the thermostat housing and radiator. If you dont take them off right or replace them properly then youll have issues.