Hey EvilGenius, I used your advice from another post and found that test to be actually true. I also talked to a service guy at a dealership and he verified that it's the easiest way to check that part. He also said that valve is a common problem with our cars and that it will certainly override the A/C and blow hot air out of the vents.
Originally Posted by EvilGenius
I'm uncertain if this is the actual "bmw method" of verifying if if this is open or not, I call it the poor-man method, because all you need is your hand to diagnose it
So now, I've ordered a new water valve and thermostat (pulled the code the other day) and I'm flushing the system this weekend for both repairs. I'll post back with updates when it's complete.
Last edited by ivanfuzz; 05-22-2008 at 11:13 AM.