I hope that was mostly all it was...but if you're planning on driving it after this work, just monitor the temp gauge more than you usually would until you know you're out of the woods.
Tell your husband that the most common issue with any cooling systems work is the issue of proper bleeding...and there are, as I said, good instructions in Mango's thread above here on 'cooling.'
I'm so depressed. No one wants to come see me. :(
Mangofy your E46!