good afternoon,i have a 1994 525i and the problem ive been having is located near the radiator and front of the engine.my car was overheating and i fixed that problem with excessive bleeding of the system.2nd my radiator is losing coolant like my girl friend spending my $(fast,havnt really found the source of this yet but gonna get under the car for this one),3rd is the radiator fan and the water pump.radiator fan is a lil loose and is making a metal scraping noise(i think it might be ball bearings in the pump)its a lil loud.plz help me with this headache.