BMW M5 F90 Stage 2 Dyno Tuning — 725 whp 2017 BMW M5 on DEIZ DYNO

This F90 came in with a built engine, downpipes, an upgraded intake system, and high-efficiency intercoolers — a proper hardware package for the 4.4 twin-turbo V8. After baseline testing, the car was fully recalibrated on the DEIZ DYNO BMW M5 F90 setup using precise tuning procedures to align the software with the hardware. Stock: 565 whp Stage 2: