N63/N63R/N63TU JB4 Tuner Harness:F Chassis N63TU • 2010-2016 F07 550i GT

• 2010-2016 F07 550i GT sDrive/xDrive

2006–2010 N54 E90 BMW 335i Sedan (including xDrive)

Strong magnetic hold

Some have insufficient or no internal baffle system while others have internal baffles systems that are too restrictive

running the vehicle under low fuel conditions can cause fuel starvation issues

N63/N63R/N63TU JB4 Tuner Harness:F Chassis N63TU • 2010-2016 F07 550i GTPower gains of up to 100hp and 140tq to the wheels on a stock vehicle The JB4 Tuner includes CANbus, full data logging, multiple performance maps, user adjustable fuel control, boost by gear settings, WMI support, JB4 Mobile wireless compatibility, and much more. Compatible both as stand alone tuning systems or in conjunction with performance flash maps where logging, safety, and fine tuning tools are desirable. Now includes the JB4PRO adapter and