BMW M3 M4 330i 430i 530i. Simulator simply plugs into the wiring harness that goes to the muffler exhaust valves and eliminates the soft error code and cel that appears when the valve is removed/disabled.
BMW M3 M4 330i 430i 530i Exhaust Valve Simulator W/Protector Plugs 4 Pin
BMW M3 M4 330i 430i 530i Exhaust Single Valve Simulator W/Protector Plug 4 Pin
BMW M3 M4 330i 430i 530i Exhaust Valve Simulator 4 Pin
BMW M3 M4 330i 430i 530i Exhaust Single Valve W/Protector Plug 4 Pin
BMW M3 M4 330i 430i 530i Exhaust Valve W/Protector Plugs 4 Pin
4 Pin Exhaust Valve Bypass Module w/Plug Protectors For BMW M3 M4 330i 430i 530i
