BMW M3 M4 F80 F82 Exhaust Valve Controller V1

Exhaust valve controller for BMW M3 M4 F80 F82.

Plug and play into the oem valves. The valves can be controlled using the supplied fobs.When the car is started it will default in OEM mode, pressing the ON button on the fob will OPEN the exhaust valves, pressing OFF will revert to OEM mode.

Whenever the ignition is turned off the valves will always revert to OEM position. Easy installation, plug and play. No need to remove any exhaust components or heat shields.