Our custom tunes require the remote tuning platform Bootmod3 by Pro Tuning Freaks. Gunshots/flames tuning (requires full decat).Custom burbles with greater aggression/adjustment range than OTS maps.Backend Flash maps for use with piggybacks.Road course, 1/4mi Drag, and 1/2mi specific tuning.E85, Ethanol blends, race gas and meth injection tuning.Cat efficiency check (CEL) removal for de-cat downpipes (for off-road use).Cold start (cat heating on startup) removal for quieter cold start.To read about these new CustomROM features available on the S58 engine refer to document below:īootmod3 CustomROM Release - BMW S55 Engine upgraded HPFP, LPFP, Port Injection, and or Methanol Injection). **S58s require upgraded fuel system components that are sufficient to support the ethanol % that you intend to use with your Flex Fuel tune. To use Port Injection with a Flex Fuel tune, we recommend a PI controller such as the Motiv Reflex which adjusts the port injection output based on the ethanol content from the sensor. To allow for Flex Fuel tuning, an Ethanol (alcohol) fuel sensor and an Ethanol Content Analyzer (ECA) CANBus device need to be connected to the vehicle’s PT-CAN. Some examples of great uses for map switching are to have street or drag map variation with torque by gear limitations for different tires or road surfaces, a kill map with higher boost/timing to be used on occasion, a daily map with reduced boost, valet, or flames map, etc.Ī Flex Fuel tune will start off as a low ethanol pump gas or race gas tune and then dynamically adjust boost, timing, AFR, and fuel supply depending on how much ethanol content is added to the fuel tank. ![]() Next, you’ll have 3 additional optional slots, sold separately, to have variations of this map. This is what to expect from Map Switching: Initially you’ll buy a new CustomROM tune from us, Paul and his team will work to dial the tune in on the mods and fuel type you choose. **note all Map Switching slots 1-4 share the same Anti-Lag settings.įor instructions on how to use the Anti-Lag functionality please visit this link: Time in Anti-lag mode, Engine Speed, Min and Max Temperature thresholds for Oil, Exhaust Gas Temps and others. Fully customizable Anti-Lag is an available option for $200 and includes various tunable settings and safeties such as Anti-Lag Boost, AFR, min Accel Pedal required, Max. ![]() ![]() All new CustomROM tunes come with our fixed OTS Rolling Anti-Lag (13-14psi) at no charge.
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