PERFORMANCE TUNE FOR X3M 2019+

X3M TUNE  

This is our tried and tested tune for an X3m with a S58. These tunes were designed on a Dynojet dyno and tested in the real world! A Windows computer is required to utilize the RK-Tunes flash software. Check FAQ section for windows device recommendation.

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

OPTIONS:
⦁ Fuel – Selectable fuel octane rating (91, 93)
⦁ Burble – Emits flame and backfire when lifting off throttle. Only suggested for catless exhaust systems.
⦁ 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
⦁ Cold Start Delete – All BMW’s have a cold start calibration to heat up the catalytic converters. If you’re unhappy with the way your BMW idles/runs while cold, select this option and we will adjust the cold start in your tune. Highly advised if you are running a catless exhaust system.

PERFORMANCE SPECS BASED ON MODIFICATIONS:
60-100+ WHP
70+ FT/LBS TQ