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N20 Bmw Performance Tuner Chip
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N20/N26 JB4

Applications:

BMW 2 Series:
• 2014+ 2 Series F22/F23 220i/228i N20 & N26

BMW 3 Series:

• 2012+ 3 Series F30/F31 320/328 N20 & N26

BMW 4 Series:
• 2014+ 4 Series F32/F33 420/428 N20 & N26

BMW 5 Series:
• 2011-2016 5 Series F10 520/528 N20 & N26



Instant power with easy plug & play installation
Ready to take your BMW N20 turbo to the next level? How about up to 50hp to the wheels (65hp 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 the tuning from the drivers seat, gear dependent boost control to help with traction, E85 compatibility, built in diagnostic code reading/deleting, expanded engine safety systems, free firmware updates, in dash boost gauge, the ability to control the exhaust flapper using your BC button, and much more.

The JB4 does not require any additional modifications or previous stages. Simply install the JB4 as your first and only modification and enjoy an entirely new fast and smooth racing experience. For more advanced enthusiasts the BMS DATA or JB4 Mobile cable allows you to connect a laptop or smart phone for additional gauges, data logging, and free firmware updates as we add new features and maps.

The JB4 is a fully plug and play device that installs and removes in minutes at home without special tools and unlike flash maps that permanently write over your DME with the JB4 your DME is never aware it's running more than the factory power levels. And when you're ready to change things up the JB4 is not VIN locked and can be moved to your next vehicle or resold.
328 pump gas dyno 320 JB4 dyno 328 E85 dyno
328i BMW Dyno JB4 BMW N20 Dyno F320 328 E85 Dyno









OBDII M4 M3 Tuner

N20/N26 JB4 w/OBDII

$479.00 + Free Shipping in USA

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Optional BMS Data Cable for diagnostics and updates
This proprietary DATA cable connects the JB control box to your laptop for use with our new datalogging, tuning, and map loading software. More info here.

$35.00

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JB4 N54 bmw performance parts tuners chips
Optional JB4 Smart Phone Wireless REV3 for diagnostics and updates
The JB4 Connect Kit (Rev 3) allows your Bluetooth 4.0 compatible iOS and Android devices to connect wirelessly to your JB4 with optional software. More info here.

$140.00

Worldwide Shipping Available.
Estimate Shipping by adding to cart and entering in your ZIP code or country.

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