Question about 2004 BMW 3 Series
Have the system serviced a shop because you could have a leak in the system. If it just stopped all of a sudden then you probably have an electrical problem. Check all the fuses and relays, also check the pressure switches on the lines and make sure they are working properly. This particular car uses R134 freon. You can buy it at the local parts store and even walmart sells it.
Posted on Sep 27, 2009
R 134A Refridgerant is what is Required to RECHARGE the System, and as NEW as your BMW is this is the Most PROBABLE Cause of No COLD AIR
Posted on Sep 27, 2009
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Posted on Jan 02, 2017
If there is air moving through the vents most likely the final stage transistor(blower resistor) has failed. It controls blower speed from a signal from the ihka (a/c control panel). the final stage receives the signal from the ihka of the drivers preference blower speed. the final stage pwm (pulse width modulates) the blower motor. which means it turns it off and on very quickly to speed up or slow down the blower motor speed. It isn't the easiest part to replace. Usually at a dealership i would expect to pay somewhere around $600 (including diagnosis)but don't hold me to it. bmw dealerships stand behind their repairs and usually include a warranty with the part of 2 years unlimited mileage.
Posted on May 10, 2009
Sounds like your fan is not working. If it is electrical, may be bad relay, fuse or fan motor. If it is mechanical, most likely the clutch is bad.
Posted on Jul 23, 2009
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