B38/B46/B48/B58 JB Plus Quick Install Tuner

  • $ 199.00
Shipping calculated at checkout.

SKU: B46/B48/B58 JB+-1

Plug in up to 40 extra wheel horsepower in seconds!

Finally our popular and well-proven JB Plus quick install tuner is available for B46, 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 and up to 40 wheel horsepower and 50 wheel torque on the B58 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 Plus 
(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 driver's 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!

For those who want to start with the JB Plus and upgrade to the higher power more advanced JB4 tune, we offer a 100% trade up credit. To qualify simply purchase the JB4 system from our website directly and then after receipt mail back the JB Plus along with its purchase receipt from BMS or any authorized reseller and we'll issue a $199 refund against your JB4 purchase. Offer is valid for up to one year after purchasing the JB Plus. Made in the USA. 5 Year Warranty.

B58_JB_PLUS is CARB Approved Under Executive Order (EO) No.D-744-4 for all 2016-2018 BMW 230i, 330i, 430i, 530i, 340i, 440i, 740i, M240i, and X1 applications.

APPLICATIONS

BMW 1 Series
• 2019+ F40 B48 M135i
• 2019+ F40 B38 M118i
• 2015+ F20/F21 B58 M140i
• 2016+ F20/F21 B48 120i, 125i
• 2015+ F20/F21 B38 116i
• 2015+ F20/F21 B38 118i

BMW 2 Series
• 2016+ F22 F23 B58 M240i/iX

• 2017+ F22 F23 B48 230i/iX
• 2017+ F22 F23 B48 225i/iX 
• 2017+ F22 F23 B46 220i/iX
• 2015+ F45/F46 B38 216i AT/GT
• 2015+ F22/F23 B38 218i
• 2014+ F45/F46 B38 218i AT/GT
• 2019+ F44 B38/B46/B48 228/M235i/iX

BMW 3 Series
• 2020+ 
G20 B58 M340i/M340iX
• 2020+ G20 B48 330i/330iX
• 2016+ F30 B58 340i/340iX
• 2016+ F30 B48 330i/330iX/330e
• 2016+ F30 B48 325i/325iX
• 2016+ F30 B46 320i/320iX
• 2016+ F30 B46 318i/318iX 

BMW 4 Series
• 2016+ F32 F33 F36 B58 440i/440iX
• 2016+ F32 F33 F36 B48 430i/430iX 
• 2016+ F32 F33 F36 B48 425i/425iX 
• 2016+ F32 F33 F36 B46 420i/420iX
• 2016+ F32 F33 F36 B38 418i

BMW 5 Series
• 2017+ G30 B58 540i/540iX
• 2017+ G30 B46/B48 530i/530iX/530e

BMW 6 Series
• 2017+ G32 B58 640i/640iX

BMW 7 Series
2016+ G11/G12 B58 740i/
740iX
2016+ G11/G12 730i/730iX

BMW 8 Series
2020+ G15/G14/G16 B58 840i/8
40iX/Gran Coupe

BMW X Series
• 2016+ B46/B48 
X1
• 2018+ B46/B48 X2
• 2018+ G01 B48/B58 X3 2.0i/3.0i/M40i
• 2019+ G02 B48/B58 X4 2.0i/3.0i/M40i
• 2019+ G05 B58 X5 40i
• 2019+ G07 B58 X7 40i

BMW Z4
• 2019+ BMW G29 B58 Z4 M40i
• 2019+ BMW G29 B46/B48 Z4 30i and Z4 20i

Toyota 
• 2020+ GR Toyota Supra 3.0L 6 cyl. (B58)

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


DYNO RESULTS

2016 BMW 340i, 91 octane
Stock vs. JB Plus

2016 BMW 340i, 91 octane Stock vs. JB Plus

Customer Reviews

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