Hi I have a BMW E46 2005 The air conditioner in my car was not very cold in the summer The mechanic said there was a problem with the heater valve And when he bypass the heater valve completely The problem was solved and the air conditioner cooled Now I don't want to buy a new heater valve and...

Have a HVAC problem with my 2005 E46. Dash, floor, or defrost vents were always blowing heat in the last 3-4 months (during summer or winter), unless A/C turned on. With A/C turned on, and face-level vents selected in Summer, I can get A/C cold air from vents. With A/C off, vents blow HOT...

Today I want to share my experience in how I solved my ac issues, I am owner of an E46 330i (2002 EURO). As I saw in many threads that some people be grateful for how they got help from all this data base that is e46Fanatics, I want to do the same, thanks for this wonderful forum, thanks for...

Help needed? I have been having a/c problems this summer and have had no luck with a permanent fix. I changed the compressor hose, recharged the system and just changed the heater valve. I purchases a refurbished heater valve from eBay, swapped it out and bled the system with no luck has...

:excited:My mechanic scanned my car and found an error stored in the environmental control (IHKA) that says something to the effect of "hot water valve shorted to B+". I am having an intermittent problem with the valve blowing hot water through the heater core and overriding the AC. This comes...