In Request to offer the best customer service we have design and developed a new Exhaust Valve Controllers harness for V1 E9X M3 owners. This refresh kit comes with new valves new wiring and a new control box with remotes. Extend the service life of your exhaust with this refresh kit!
2 valve motors
2 valve to control box wires
1 control box
1 cigarette lighter power adaptor
1 key fob remote