The fan switch controls the operation of electric auxiliary fan depending on the temperature of the coolant.
Bmw e46 radiator fan switch.
The dealer did contact bmw na and factory technical support.
Electric cooling fan attached to front of radiator the cooling fan is controlled by the engine control module ecm via an output final stage.
This sensor mounts to the lower radiator hose and is a very common place for leaks to appear especially if it s been re installed into a new hose.
This high quality replacement switch comes from fae and comes complete with a new o ring.
Radiator and coolant overflow tank.
Belt driven coolant pump bolted to the front of the engine block.
Radiators for bmw 3 series e46 1999 2006.
The fan final stage is mounted to the fan and is controlled by the engine control module ecm.
After two weeks they surmised the problem was that the solenoid of the active shutters google bmw air vent control was intermittently shorting out the radiator fan causing it to activate.
There are many components in the bmw e46 cooling system.
Cooling fan clutches and parts cooling fans and blades.
Mine broke which caused overheating of the car.
Belt driven coolant pump bolted to the front of the engine block.
Bmw e46 electric fan fix and troubleshooting testing fan signal on dme https youtu be rdibbrn3 30.
The sa did believe me however.
An additional belt driven cooling fan with a viscous clutch is attached to the engine.
In this video i show you how to test to see if your fan switch is working.
Radiator and coolant overflow tank.
Buy bmw oem coolant radiator fan temperature switch sensor e38 e39 e46 e52 e53 e60 740i 740il 740ilp 750il 750ilp 525i 528i 530i 540i 540ip m5 320i 323ci 323i 325ci 325i 325xi 328ci 328i 330ci 330i 330xi m3 alpina v8 z8 x5 3 0i x5 4 4i x5 4 6is x5 4 8is 525i 525xi 530i 530xi 545i 550i m5 550i 530xi 645ci 650i m6 650i 645ci 650i m6 650i.
Feel free to comment and ask quest.
There are many components in the bmw z4 cooling system.