Originally Posted by Catbert10
As mentioned, the 5% discount doesn't apply to continental.com specials. The BF tickets you're trying to purchase are part of a continental.com special. Click the link under Latest News and Offers titled BusinessFirst: On Sale Now to read all about the sale.
When I purchased discounted Z fares during the BF sale this summer, I didn't get a 5% discount either.
I bought some of the EWR-LGW tix including BF segements and I am fairly certain that I got the 5% discount.