X5 E53 Air Conditioning - all systems go but no cold air

[OnewireAT1]

Originally Posted by upallnight

A shop uses a machine to fill an ac system. They will evacuate the system of all refrigerant, and continue to evacuate to boil of any moisture in the system. They will use the same machine to install a predetermined amount of refrigerant by weight back into the system. Hopefully your shop have this type of equipment. Adding refrigerant through the low side port is "Old School" and backyard DIYer.

Thanks upallnight! Evacuation and filling is what they “claimed to have done initially” I’m questioning that from my test results.


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