Using the hidden menu I found 2 codes. E12c1c (active), and B7F694 (inactive).
I just purchased a bluetooth obd2 adapter and the Bimmerlink App. I have not used this yet.
I am thinking about ordering a 2nd water pump since we never had overheat issues prior to opening this can of worms. We only had the slow leak and had to top off the coolant every few days.
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