JB4 Tuner for 2008-2015 Audi B8 / 8.5 A4, A5, Q3, Q5 (2.0T Only)- Burger Tuning Please Select:JB4PRO Adapter (Uses Free JB4PRO App) Bmw 535i Xdrive 2011 to

Bmw 535i Xdrive 2011 to 2016

Specify whether your vehicle is FWD or AWD

Installation is easy and completely removable with no splicing or cutting of factory wires making the JB4 an excellent choice for your S68 engine

and update JB4 firmware as we release free newer versions with updates

Audi A3 Quattro: 2015 to 2019

JB4 Tuner for 2008-2015 Audi B8 / 8.5 A4, A5, Q3, Q5 (2.0T Only)- Burger Tuning Please Select:JB4PRO Adapter (Uses Free JB4PRO App) Bmw 535i Xdrive 2011 toThe JB4 is a true user adjustable plug and play solution. Power Gains: Starting at peak Gains 28whp 50ft lb. Peak gains 40whp. in certain rpm ranges. The JB4 features CANbus connectivity for more advanced tuning, direct AFR control, advanced safety systems for boost, air fuel ratio, fuel trims, and engine knock, boost mapping by gear for improved traction, integrated water meth control, and much more. The unit can be used with our JB4 Bluetooth