Burgertuning JB4 for sale. Contents:
2015+ M3/M4 S55 JB4 $799
JB4 USB cable $35
JB4 Smart Phone Wireless Connect Kit (Rev. 3) - $140
F Series OBDII CANbus Interface - $35
This is the complete JB4 kit - yours for only $400. Use it to log data, or switch to map 1 for a great performance increase, or any of the other maps depending on what you have (downpipes, meth injection etc...). I used it for about 3000 miles without any issues. This has the aluminum casing, not the plastic one.
Log/upload firmware/change settings on the fly with the mobile app over bluetooth.
http://www.burgertuning.com/M3_M4_S5...nce_tuner.html
JB4 Map Guide
Map 0: Disable JB4 / Full Pass Through Mode
Map 1: Stage1 map adding approximately 40whp and 40wtq across the power band on pump gas. Suitable for all stages and fuel mixtures.
Map 2: Slightly more aggressive version of map 1 intended for vehicles with exhaust modifications and 93+ octane fuel. Can also be used with E85 and racing fuel mixtures.
Map 3: Slightly less aggressive version of map 1 intended for vehicles running on lower grade fuels such as 91 octane.
Map 4: OEM performance but with JB4 active for diagnostics only.
Map 5: //M low torque / linear throttle map.
Map 6: Custom tuning map.
Map 7: Race gas map. Requires 100 octane unleaded fuel and for the fuel mass connector to be installed. This map can also be used with up to 35% E85.
Map 8: Methanol injection map. Requires BMS FSB controller or methanol kit for progressive mapping and safety systems.
