BMS 2015+ M3/M4 S55 JB4

BMS 2015+ M3/M4 S55 JB4The ultimate tune for your S55 powered vehicle, the JB4 allows you to go from factory stock to full race, and everywhere in between, with the push of a button on your steering wheel. The JB4 installs and removes easily and includes many unique features not found in any other tune including user adjustable 1st and 2nd gear boost limiting, map switching in dash, electronic wastegate control, ethanol fuel support, and built in advanced CANbus based

yielding a quiet tone while cruising and a fearsome growl under full load

1" of drop for the correct relation between looks and proper function

Committed to enhancing the performance of BMWs through the highest quality products is what Active Autowerke is all about

The Velos Signature Series Collection of forged

Signal filtering is used for a smooth response

The functioning of the of the control unit remains completely intact

A variety of end fittings are available to meet most application needs

Unique (Patent Pending) Filter-to-Housing Interface for Easy Installation

the intake also gives your turbocharged engine a more audible tone

The kit includes progressive rate lowering springs for each corner of the car

Cornering will be flatter and neutral in any corner

With every gleaming facet engineered for performance