Performance tune for E39 M5 (2000-2003)

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E39 M5 Tune This is our tried and tested tune for an E39 M5. These tunes were designed on a Dynojet dyno and tested in the real world! All tune packages come with an OBD to USB cab le 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. 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) - Burble - can adjust backfires and pops from exhaust to your choicePERFORMANCE SPECS BASED ON MODIFICATIONS: 10-20+ WHP 5-10+ FT/LBS TQ In the modification box, please specify all current vehicle modifications and desired options. Show more