BMW M4 F82-F83 | 2015-2020 | Stage 1The BMW M4 F82 F83 blends raw power with precise handlingbut the factory S55 tune plays it safe. WestTuneds Stage 1 ECU calibration unleashes the full capability of the twin turbo inline 6, delivering sharper response, relentless midrange torque, and extended top end pullperfectly balanced for road and track. What Youll Feel: Stronger midrange torque and quicker throttle reaction Smooth, progressive boost that pulls hard to redline Faster DCT response

Retains full compatibility with OEM drivetrain and emissions systems

8L V8 Twin-Turbo (2017–2020)

Our performance-focused tune is designed to deliver significant horsepower and torque gains while maintaining OEM-level reliability and drivability

This precision-engineered automotive accessory represents the pinnacle of design and performance

increasing traction and stability at high speeds

🛠️ OEM-Safe

and refined

and enhanced powerband performance without compromising comfort

stronger torque across the full rev range

WestTuned’s Stage 1 ECU calibration transforms the M-lite coupe into a proper performance machine—bringing more torque

torque delivery

The front lip is designed to fit onto the front bumper of the Mercedes AMG GT and extends downwards