I got the "check engine oil level" message when I turned my
car off the other day after a 250 mile trip. The oil was about
a 1/2 qt low. When I went to the dealer, they had TWS 10w60
for only $21.50 a quart !

This didn't include gst/pst which
I think adds another 12% so I think it would have been about
$24.00 CAD or $24.27 USD.
Ah, I'll take the BMW Synthetic for $10.50 / quart please.... This
was at the Toronto BMW dealer.
To hell with buying wine futures, I want TWS futures