Johan Goosen kicked a late penalty from inside his own half to send the Bulls into the United Rugby Championship top four after a thrilling 30-28 win over the Lions in Pretoria.
The Bulls and Lions have named their sides to do battle in this weekend's only United Rugby Championship clash.
The Bulls and the Stormers both secured home ties as the knockout matchups for the Investec Champions Cup Round of 16 was confirmed following the completion of the pool stages on Sunday.
The Bulls held off a late charge from Bordeaux-Begles to hold on for a 46-40 bonus-point win and qualify for the knockout stages of the Investec Champions Cup.
The Bulls welcome back some star power for this weekend's all-important Champions Cup clash against Bordeaux Begles at Loftus Versfeld.
Former Springbok head coach Jake White has urged the Six Nations not to add South Africa into the mix, saying that it would lose its charm as a Championship.