Mini R56 Forge Blow Off Valve. Forge blow off valve for r56 Mini Cooper s. Has been serviced with new o rings and an uo rated spring.Comes with everything to fit. Sounds good not to annoying. Slight damage to body only visual though wont see when fitted. The item "Mini R56 Forge Blow Off Valve" is in sale since Monday, November 16, 2020. This item is in the category "Vehicle Parts & Accessories\Car Tuning & Styling\Air Intake & Induction\Dump, Bypass & Blow-Off Valves". The seller is "zamcmaho-0" and is located in Leicester. This item can be shipped to United Kingdom.