Edited july 1 2019 by bigalamo.
Bmw e60 cooling fan not working.
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The e60 posed a massive shift in design.
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The fan works on a pwm signal it is an always live connection with the engine on and the pwm controls the speed best bet is to get it on bmw specific diagnostics.
When a bmw e60 cooling fan fails the fan will not activate or only activate at high speed.
In fact there was one that was so different and unusual fans actually put criticized the man they thought responsible.
You can check cooling fan operation by turning on your air conditioning and listening for the fan to activate.
How to test radiator fan on bmw e46 e39 e60 e53 x3 x5 z3 z4 e83 e85 if you have bmw and your car is overheating or you notice that the radiator fan is not wo.
Additional problems can include an issue with the temperature switch the fuse or the cooling fan.
If you notice that the fan motor does not work you will need a replacement.