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. Check FAQ section for windows device recommendations.
⦁ Top speed governor removed
⦁ Increased RPM rev limit
⦁ VANOS cam timing adjustment
⦁ Improved throttle response
⦁ Ignition timing enhancements
⦁ Air/Fuel Ratio enhancements
⦁ Fuel - Selectable fuel octane rating (91, 93)
PERFORMANCE SPECS BASED ON MODIFICATIONS:
5-10+ FT/LBS TQ
In the modification box, please specify all current vehicle modifications and desired options.