A true plug and play tune offering safe and adjustable
25-40 Horsepower gains at the wheels!
This is the JB+ for BMWs with the B38, B48, and B58. This is the 3 wire version of the JB+. Does not fit the X1, X2 or MINI models.
Finally our popular and well proven JB+ quick install tuner is available for B48 and B58 applications! Boost is user adjustable up to 4.5psi over stock providing gains up to 30 wheel horsepower and 40 wheel torque on the B48 motor, up to 40 wheel horsepower and 50 wheel torque on the B58 motor and up to 35 wheel horsepower and 35 wheel torque on the B38 motor. Timing and fueling remains managed seamlessly by the DME preserving all factory safety systems.
While the JB4 is the ultimate tuning tool the JB+ is a quick and simple way to add a few HP with minimal cost and minimal install effort. Something that anyone can buy, install in under a minute, and really feel from the drivers seat.
Fuel economy during normal driving is unchanged. Automatically detects the engine type upon installation allowing the same unit to be used for any B48 B58 F series application! Not legal for sale or use within California.
If you have a Mini or BMW X1, X2, X3, X3 20i, X4 20i, M135ix, M235ix or FWD 118i with the B38/B48 engine with 4 wire sensor, you will need the BMS BMW Mini B38 B46 B48 JB+ (M135ix, M235i(x) X1, X2, One, Cooper, Clubman & Countryman)