F Chassis N55 BMW JB4 Tuner Choose your vehicle:JB4_F10_A these kits will be built

these kits will be built after the order is placed and will ship in 5-7 business days

The BMS OCC retains the factory fully closed loop PCV operation preventing any PCV vapor from leaking to the atmosphere

A new E85 compatible Walbro pump

• Infiniti Q60 2014-2016

Note we also offer scratched enclosures at a discounted price

F Chassis N55 BMW JB4 Tuner Choose your vehicle:JB4_F10_A these kits will be builtPower gains of up to 80HP on a stock vehicle without the risks of flashing! Ready to take your F chassis N55 BMW to the next level? How about up to 60hp to the wheels (80hp crank) on a completely stock car or up to 100hp to the wheels (120hp crank) on a fully modified car? The JB4 features a simple plug and play installation harness for easy installation and includes many features not found on any other tune. Including the ability to enable disable