Audi led the way in the final free practice session for Bahrain's World Endurance Championship round on Friday morning.
The Le Mans-winning had shared the honors with Interlagos victor Toyota in Thursday's two sessions, but practice three delivered a one-two for Audi's pair of e-tron hybrids.
The No. 2 Allan McNish/Tom Kristensen car led the way on a 1m47.639s, 0.3 seconds ahead of championship leaders Andre Lotterer, Marcel Fassler and Benoit Treluyer in the No. 1.
The Toyota - driven by Nicolas Lapierre and Alex Wurz - was seven tenths of a second down in third.
Rebellion's No. 12 Lola-Toyota was the best of the non-factory LMP1 cars.
The No. 24 OAK Morgan led LMP2, while the Aston Martin and Larbre's No. 50 Corvette topped the two GTE divisions.