Performance tune for E39 540 (1996-2003)

E39 540 TUNE

This is our tried and tested tune for an E39 540. These tunes were designed on a Dynojet dyno and tested in the real world! All tune packages come with an OBD to USB cable and software to read and write your DME/ECU. A Windows computer is required to utilize the RK-Tunes flash software. For an additional $100, we can include a Windows operating tablet that can be used in place of a Windows operating computer. Before completing your purchase, please specify your vehicle year.

KEY FEATURES:
⦁ Top speed governor removed
⦁ Increased RPM rev limit
⦁ VANOS cam timing adjustment
⦁ Improved throttle response
⦁ Ignition timing enhancements
⦁ Air/Fuel Ratio enhancements

OPTIONS:
⦁ Fuel - Selectable fuel octane rating (91, 93)
⦁ Rear O2 Sensor Delete - If you are running aftermarket headers please select O2 Sensor delete. We will remove all coding associated with rear O2 sensors
⦁ SAP (Secondary Air Pump) Delete - If you have deleted your Secondary Air Pump, please select this option and we will remove the coding from the DME/ECU to avoid a CEL.

PERFORMANCE SPECS BASED ON MODIFICATIONS:
7-15+ WHP
5-10+ FT/LBS TQ

In the modification box, please specify all current vehicle modifications and desired options.