Question about 2003 BMW 525i
When I turn on the heater it will only blow cold air. Otherwise car runs well
Posted by Anonymous on
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Posted on Jan 02, 2017
It is the Final Stage Unit/Blower Motor Resistor - changed mine and the problem never came back. After two tows and drained batteries. Most mechanics don't seem to put this one togther - you have to demand it. Funny because it is a VERY COMMON problem in BMW.
Posted on Dec 22, 2008
Go to your idrive., climate the vent settings. you will see a person along with vent areas on the side.
If this persons color is blue it blows cold air so turn the dial for vent closest to that person until the
color changes red then hot air comes out on the vents for driver and passenger. Then let me know.
2006 BMW 530i sport
Posted on Feb 01, 2009
Is any air coming out at all?
If warm air is being blown out, then your refrigerant level is probably low. The car is fitted with a safety cut off, to stop the air conditioning system working if the refrigerant (R134a) level is low.
This cut off only effects the air conditioning, the blower would still function normally.
Posted on Apr 21, 2009
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