The BMW M5 Competition (F90) with a Stage 2 tune typically achieves 700 horsepower. This significant power increase is a result of advanced performance modifications applied to its already potent engine.
Understanding Stage 2 Tuning for the BMW M5 Competition (F90)
The BMW M5 Competition (F90) is powered by a robust 4.4-liter V8 Bi-Turbo engine, which delivers impressive performance in its factory configuration. However, for enthusiasts seeking even greater capabilities, aftermarket tuning, particularly Stage 2, offers a substantial boost.
A Stage 2 tune for the M5 Competition generally involves more extensive modifications than a basic ECU recalibration (Stage 1). These typically include hardware upgrades such as:
- Upgraded Downpipes: Replacing the restrictive factory downpipes with less restrictive aftermarket versions improves exhaust gas flow, which helps the turbos spool faster and reduces back pressure.
- Optimized Engine Control Unit (ECU) Calibration: A custom-tuned ECU map is crucial to take full advantage of the hardware upgrades. This recalibrates various engine parameters like fuel delivery, ignition timing, and boost pressure to safely maximize power output.
These combined enhancements allow the 4.4 V8 Bi-Turbo engine to produce significantly more power and torque, transforming the driving experience.
Here's a detailed comparison of the M5 Competition's performance before and after a typical Stage 2 tune:
| Specification | Original (Stock) | Stage 2 Tuned |
|---|---|---|
| Power | 625 hp | 700 hp |
| Torque | 750 Nm | 870 Nm |
As the table illustrates, a Stage 2 tune not only elevates the horsepower to 700 hp but also increases the torque output from 750 Nm to 870 Nm. This substantial gain in both power and torque contributes to superior acceleration, improved responsiveness, and an overall more dynamic driving experience. It's important to note that actual performance figures can vary slightly based on the specific tuner, fuel quality, and other modifications.
