Thanks e30cabrio. I've been a longtime lurker here on these threads and have found a lot of great info here over the years, but this one finally forced me to join
Yes, I' very grateful my wife shut the engine down immediately. I have heard of others who were not so fortunate. I don't mind doing a lot of work to fix an oil leak, but a total engine rebuild is another matter altogether!
Oh, and I should have mentioned... it's a 2008 E70, 4.8L with the cold weather and sport packages.
Thanks again!