BMW X5 M PPP Stage 3 vs. BMW X5 M PPP Stage 4 vs. AUDI R8 V10 PPP Stage 2. Part 1

BMW X5 M TTR PP-Performance Stage 3 - 720-740 bhp & 1 060 Nm (camera car, 1 passenger) Intake System PP-Performance ECU PP-Performance Headers PP-Performance Downpipes vs. BMW X5 M TTR PP-Performance Stage 4 - 750 bhp & 1 180 Nm (white car, 1 passenger) Intake System PP-Performance ECU PP-Performance Headers PP-Performance Downpipes PP-Performance Turbo Upgrade vs. AUDI R8 V10 PP-Performance Stage 2 - 620 bhp (NO passengers) PP-Performanc