My 2005 325i A/C blows hot air

10

Asked by Apr 29, 2016 at 11:32 PM about the 2005 BMW 3 Series 325i

Question type: Maintenance & Repair

i have a 2005 325I, the ac started to blow hot air while i was driving, it had
been blowing cold until then. I took it and had it checked, they vacuumed and
put dye in it and checked for leaks. None were found. Compressor is good.
Can anyone tell me what is wrong?

3 Answers

4,745

thermostat is opening up too soon...get a NEW 295 degree thermostat...that is a cheap solution....should open up when the engine temp gets to 295...you will HAVE HEAT then~

216,625

Did you check the center vent above the climate controls? Is the position of the vent to blue or the white center dash and not red?

10

It turns out the ambient temp sensor was replaced and a wire came loose. All fixed am I am riding cool again.

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