3 6 remove fan using the e46 m3 water pump locking tool 001170sch01a and a 32mm wrench.
E46 m3 fan clutch noise.
Fan speed will increase.
Enter a new vehicle to add it to your garage and filter the results below.
It turns out the fan clutch had failed.
Engagement is distinguishable by a definite increase in fan flow noise roaring.
Max recorded noise 92 1db.
Use an infrared temperature gun to measure fan clutch temperature.
Fan clutch engagement should have started to occur between 88 to 90 c 190 to 194 f.
Bmw e46 heater blower resistor fsr removal and diagnose 320i 323i 325i 328i 330i m3 duration.
I long suspected that my ac compressor was on its way out.
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Betooll 32mm fan clutch nut wrench water pump holder removal tool kit for bmw e34 e39 e36 e46 e90.
Lock in the water pump pulley and unscrew using the 32mm wrench.
Within ten minutes the air temperature should be up to 88 c 190 f.
How to diagnose bmw bad fan clutch e34 e36 e38 e39 e46 e53 duration.
It still provides cold air but i jus.
E46 m3 loud fan noise duration.
The fan clutch nut is reverse threaded.
Nathan s bmw workshop 100 504 views.