Quote:
Originally Posted by MookJ
Same issue here. A little research found several older posts on this issue. Apparently they (BMW) know of the issue and can reprogram the A/C controls to prevent it.
Sure seems like an iced up evaporator coil, resulting in loss of flow. Typically a temperature sensor in the coil to shutdown the compressor when it approaches freezing temps. The former R134a systems typically ran at pressures that approached 32 degF on the low side, but not below freezing. Need to educate myself on the new refrigerant's properties.
Car is going in tomorrow, I'll update with their findings.
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the freezing problem is sporadic, works fine until it actually freezes. if OP's issue is the blower not blowing at all then it's something else. my buddy had the freezing issue and his car would blow air just fine, it would just stop blowing cold after a while, but the next time it would be fine and act up again later in the drive.