Bowman, who had to start from the rear of the field last Sunday at the Charlotte Roval in a backup car, rallied to finish second in the race.
Combined with a late-race penalty by Ryan Newman for missing the backstretch chicane, Bowman just avoided being one of the four drivers eliminated from further title contention.
Bowman encountered more fireworks after the Charlotte race. Angered that he was spun out early in the race by Bowman, Wallace went looking for Bowman on pit road after the event.
By the time Wallace arrived, Bowman was sitting down next to his No. 88 chevrolet receiving treatment from medical personnel for dehydration.
Wallace briefly spoke to Bowman then splashed liquid from a drinking bottle over Bowman, the medical attendant and Jeff Gordon, who had arrived to check on Bowman.