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OTS E50 option is Multiple OTS maps of 91-93 Oct
can be refined by vehicle selection
NGK plugs from Kagan Tuning are guaranteed authentic
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BM3 BMW S55 TUNE BMW OTS E50 option is MultipleEcuTek BMW S55 Kagan Custom Tuning (F22 80 82 83 M2 M3 M4,) consist of these variations and more. Stock Fuel System, Port Injection Full E85 (Stock Fuel System Stock Turbo or Fuel System Upgrade Aftermarket Turbo) Pump Gasoline 91 Oct, 93 Oct, E30, E50 Race Fuel (ex. 100oct, MS109, C85, X85, Etc) Stock Turbo or Aftermarket Turbo Requires BM3 (Bootmod3) If running an Advanced Third Party PI Methanol FlexFuel controller such as the Motiv Reflex: