HICKORY HILLS, ILL. — HFF has negotiated the $4.5 million sale of a 4,500-square-foot BP/Circle K service station in Hickory Hills, a southwest suburb of Chicago. The property is located near I-294. BP and Circle K have operated at the property since 2004 under a triple net lease that has six years remaining. Marc Mandel, Steve Schrenk and Robin Stolberg of HFF marketed the asset on behalf of the seller, a private investor. The North American Development Group NNN REIT was the buyer.