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N54 JB4 BMW Performance Tuner
Jb4 BMW performance tuner chip parts N54 JB4 Applications

BMW 1 Series
• 2008-2010 E82 Coupe 135i
• 2008-2010 E88 Convertible 135i
• 2011 E82 1M

BMW 3 Series
• 2006-2010 E90 Sedan 335i/335xi
• 2006-2010 E91 Touring 335i/335xi
• 2006-2010 E92 Coupe 335i/335xi
• 2007-2010 E93 Convertible 335i/335xi
• 2011-2013 E92 335is

BMW 5 Series
• 2008-2010 E60 Sedan 535i/535 xi
• 2008-2010 E61 Touring 535i/535 xi

BMW X Series
• 2008-2012 BMW E70 X5 xDrive35i
• 2008-2012 BMW E71 X6 xDrive35i

BMW Z Series
• 2009+ BMW Z4 sDrive35i

JB4 BMW performance parts tuner chip
Ready to take your twin turbo BMW to the next level?

How about up to 80hp to the wheels (100hp crank) on a completely stock car, up to 160hp to the wheels on factory turbos, or up to 350hp to the wheels on a fully modified car with larger turbo(s)? The JB4 includes a simple plug and play installation harness and is compatible with all ECU versions and transmission types. It's everything you need to take your N54 powered vehicle from mild to wild!

In addition to several performance maps which can be selected "on the fly" right from the drivers seat the JB4 includes a 100% stock bypass map, a valet mode, ethanol fuel (E85) support, progressive water/methanol injection support, racing fuel map, an auto tuning map that adjusts the JB4 mapping to your current climate, octane, vehicle condition, and modifications continuously, and for those interested an rpm by rpm user adjustable map. Other features include optional in dash gauges for boost and other engine parameters, a programmable shift light, on the fly adjustable torque limiting to aid with launches at the track, an optional 2STEP rev limiter & no lift shifting for manual transmission cars, an optional speed delimiter, and much more.

Remember 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. As you decide to modify your car further the JB4 is setup to grow with your vehicle. Whether you're racing a 100% OEM car on pump gas or a 700whp single turbo drag queen, the JB4 has the perfect mix of performance, features, flexibility, and support to ensure your car performs to the best of its potential!

Click here for the latest N54 JB4 firmware, map guide, and details.

JB4 Dyno results
Stock, JB4 on a completely stock automatic 135i, on 91 octane JB4 on an automatic 335i with Exhaust and BMS intake, on 93 octane
JB4 N54 bmw dyno stock vs tuned 135 335 535 E90 E92 E60 JB4 N54 dyno bmw performance parts tuners chips
   
JB4, Exhaust, BMS intake, BMS Flash, on 50% E85 fuel JB4, RB Hybrid Turbo Upgrade, Exhaust, BMS intake, BMS Flash, BMS Methanol Injection, Larger Intercooler, on 50% E85 fuel
JB4 N54 dyno bmw performance parts tuners chips JB4 N54 dyno bmw performance parts tuners chips
   
JB4 Optional Phone Software
Click here for the latest
JB4 firmware, map guide, and details
JB4 Plug and Play
Video Install Guide
JB4 135i 335i Steering Wheel Controls Demo Video
JB4 Optional In Dash
Boost Gauge/Shift Light Demo
JB4 Optional Startup Gauge Sweep

N54 JB4

$479.00 + Free Shipping in USA

Not available in California. Worldwide Shipping Available.
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JB4 N54 bmw performance parts tuners chips
N54 JB4 and BMS DATA Cable and Dual Cone Intake Combo

$599.00

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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

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JB4 N54 bmw performance parts tuners chips

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