Description Reviews MINI Cooper S Turbo Diverter Valve for all Turbo MINI. Works for both N14 engines in the whole R car line (R55-R59). For several years now the stock diverter valves have been a common part to fail. MINI has updated this part a few times now and this is the latest and best one yet. This diverter valve is a direct replacement for your failed valve. The new design may also give you a slight increase in performance, but we know for sure that it will fix the problem of boost lost. Make sure you have a check engine light for this problem.This is the same as a factory part, just in an aftermarket box and comes with a cost savings! 1 Review 5 quick fix Posted by Erik in SD on 18th Feb 2021 I called to verify if I needed the early or the late, quick phone call. Not two hours later, FedEx e-mailed me that a package was on the way. I was very impressed. Cured the half-engine warning light. Painless install with ball-end Allen keys. Noticeable improvement in acceleration. If Detoit Tuned has the part, I'm buying from them!