BMS
BMS BMW Mini B38 B46 B48 JB+ - 4 Wire Version (Inc. M135ix, 228i, M235ix, X1, X2, One, Cooper, Clubman & Countryman)
BMS BMW Mini B38 B46 B48 JB+ - 4 Wire Version (Inc. M135ix, 228i, M235ix, X1, X2, One, Cooper, Clubman & Countryman)
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Fitting service at Xatrix, West Yorkshire
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This is the JB+ for the BMW X1, X2 and MINIs with B38, B48 & B58 engines. This is the 4 wire version of the JB+.
Finally our popular and well proven Mini JB+ quick install tuner is available for B38, B46 & B48 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 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 B38 B46 & B48 application! Not legal for sale or use within California.
For the models with 3 wires, you will need the BMS BMW B38 B46 B48 B58 JB+ (inc. M140i, M240i, 340i, 440i & 540i) instead.
BMW 1 Series
• 2019+ F40 B48 M135ix
• 2019+ F40 B38 M118i
• 2015+ F20/F21 B38 118i
BMW 2 Series
• 2019+ F44 B46 228ix
• 2019+ F44 B48 M235ix
• 2020+ G20 B58 M340i/M340iX
• 2019+ G20 B48 330i/330iX
• 2019+ G20 B48 320i/320iX
• 2016+ X1 B46/B48
• 2018+ G01 B48 X3 20i
• 2019+ G02 B48 X4 20i
• 2015+ B38 X1 sDrive18i
• 2018+ F39 B46/B48 X2
• 2017+ F39 B38 X2 sDrive18i
MINI
• 2018+ F55/F56 B38 Mini One
• 2014+ F55/F56 B38 Mini Cooper
• 2015+ F54 B38 Mini Clubman
• 2017+ F60 B38 Mini Countryman
• MINI B38/B46/B48
Please Note: Only fits vehicles with 4 wires, please double check your stock sensor prior to ordering.
JB+ Dyno results
2016 BMW 340i, 91 octane, stock vs. JB Plus
MINI-B48-JBP
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