RKTunes PERFORMANCE TUNE FOR F3X 335 (2011-2015)

F3x 335 TUNE  

This is our tried and tested tune for an F3x 3-series with an N55. 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.

IMPORTANT: At check out, in the order notes section, you must type a list of all performance modifications.

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 N55's have a cold start calibration to heat up the catalytic converters. If you're unhappy with the way your N55 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