BMW M340i G20 (2016-2022) Stage 1The BMW M340i is already quickbut with WestTuneds Stage 1 ECU calibration, it becomes a serious street weapon. Designed for the G20 generation, our in house developed tune refines throttle response, boosts mid range punch, and delivers relentless top end power while keeping factory drivability fully intact. What You Get: Sharper throttle mapping for instant response Noticeably stronger mid range and smoother top end pull No compromise to OEM hardware,

Safe for OEM drivetrain and emissions systems

and precision engineering

How can you activate it

and addictively alive

The S63 Coupe is where luxury meets raw AMG force—and WestTuned’s Stage 1 ECU calibration sharpens every edge

Intake Air Temp (IAT)

this wing is not just a visual marvel but also a performance-enhancing component

Stronger high-RPM pull that doesn’t taper

just more precise

and cooldown time between uses

✔ Perfect Fitment: Precision-engineered for the BMW G87 M2

and brutally fast—but with WestTuned’s Stage 1 ECU calibration