Thermostat, or fan motor if it does not blow hard.
Try Blower Motor Resistor. It would on the Passenger side under the dash
For optimal air circulation in a room, a fan should blow out.
For optimal ventilation, a window fan should blow air out of the room.
electric fans are run by a sensor that turns it on when the engine has reached a certain temp. if the engine isn't hot enough or isn't workin hard enough the fan wont kick on
Position the blow fan facing out of the window for optimal air circulation.
You may have a faulty switch that controls the speeds on the a/c blower fan.
it should blow directly to the condenser
i hsd the same problem with my 1990 520i. replace the fan clutch. your fan is not spinning fast enough. if that doesnt work replace the radiator.
she doesnt have a fan club, she would have to get fans first.
If a fan is operated in a vacuum, it will not blow while turning.
Check the fuses, check the relay and then check the fan motor.