Exhaust Valve Controller Module for BMW G8X M3/M4

This exhaust valve controller module is designed for BMW G8X M3/M4, giving you full control over your exhaust valves beyond factory limitations.

The OEM system often does not fully open the valves, especially in Comfort mode. This module allows you to manually control valve operation, delivering a more aggressive exhaust sound when you want it, while retaining factory functionality when needed.

Key Features

• Full Valve Control (0–100%): Manually open or close exhaust valves at any time for maximum sound control
• True Full Open Mode: Forces valves to stay fully open, unlike OEM system which rarely reaches 100%
• Multiple Control Methods: Control via factory buttons, remote, or optional Bluetooth app
• Switch Between OEM & Manual Modes: Easily return to factory valve behavior with one click
• Plug & Play Installation: Direct connection to OEM wiring harness, no cutting or modification required
• Memory Function: Remembers last valve position after restart for convenience
• Safety Protection Logic: Automatically opens valves under high load / high RPM to protect engine and exhaust system
• OEM Integration: Works seamlessly with factory drive modes (Comfort / Sport / Sport+)

Vehicle Fitment

• BMW M3 G80
• BMW M3 G81
• BMW M4 G82
• BMW M4 G83