Performance tune for E39 5-Series (1996-2003)

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E39 5 Series TUNEThis is our tried and tested tune for an E39 5 Series with an M52/M54 engine. These tunes were designed on a Dynojet dyno and tested in the real world! All OBD2 tu ne 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 recommendation. KEY FEATURES: ⦁ Top speed governor removed ⦁ Increased RPM rev limit ⦁ VANOS cam timing adjustment ⦁ Improved throttle response ⦁ Multiple fuel octane rating settings PERFORMANCE SPECS: 8-20+ WHP 8-20+ FT/LBS TQ In the modification box, please specify all current vehicle modifications and desired options. Show more