Quote:
Originally Posted by euro96
True, but I'm trying to figure out if these things are even related. Is there a way to check for failure of the heater valves or heater core?
Are there any fuses related to these that I should check?
Thanks for the help guys
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Not familiar on fuse (which one control the valve).
But you can try purge the air-pocket, with engine cold (like overnight in the garage), open the exp-tank cap, start the engine, set the temp setting to the highest, slow fan setting until engine warm. Keep an eye on the level indicator stick in the exp-tank, you may need to top coolant if you really have air-pocket. If this doesn't help, I'll call the dealer.
Those steps is what I do on all BMWs (recently on 535i with electric WP), after coolant flush never once I have problem with air-pocket in cooling system. GL