I have already looked for those signs, thats why I ruled it out before...I have

Clean Oil
No Smoking exhuast
Clean Coolant

Im not wanting to do a KA headgasket..lol, I have done many headgaskets in my time as a mechanic I just dont do a ton of KA stuff. Im going to go check the heater core hose Idea now..I also sprayed a hose in the thermostat hole while I had the pump and thermostat out and the water moved pretty freely to the waterpump side.
My friend works at BMW and he has that tool and its stuck at is shop in sarasota, my luck.lol