Adapts bypass valve from 2002 Mini Cooper S to 2.5" Turbo Blow Off Valve Flange Adapter Pipe for Type-S RS BOV.

Comes with lighter-ratio diaphragm spring discussed in installation instructions and mounting hardware (turbo blow-off pipe NOT included). Replacement springs are available at The Spring Store.

Requires gasket for side that mates with blow off valve, Felpro 35064 (bypass valve has O-ring to seal other side).

CNC machined from 6061 aluminum to exacting tolerances in U.S.A at family-owned shop.

*NOTE TO UK CUSTOMERS: The European Union may impose vat and handling fee. If ordering multiple products, please email us about consolidating items into a larger box to save on shipping charges.