MINI R55/R56/R57 S/JCW Forge Diverter Valve Upgrade

Stock diverter valves just can't handle performance upgrades. Add a little boost and they get all weak in the knees and blow the diaphragm to pieces. .

Forge knows this. That's why they've engineered boost-hardy diverter valves tough enough to take the pressure without blowing their lids.

These are completely serviceable valves with an aluminum piston and o-ring seal, compared to the easily tearing rubber diaphragm found in the OEM valve.