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JB4 BMW N54 Performance Tuner

R12,499.00 R11,999.00

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JB4 BMW N54 Performance Tuner

R12,499.00 R11,999.00

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.

Available on backorder

Description

JB4 BMW N54 Performance Tuner

How about up to 60kw to the wheels (75kw crank) on a completely stock car, up to 120kw to the wheels on factory turbos, or up to 280kw to the wheels on a fully modified car with larger turbo(s)?

Simple plug and play installation

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 driver’s 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.

2STEP rev limiter & no lift shifting

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.

No additional modifications required

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!

Made in USA. 5 Year Warranty

Wirelessly connect the JB4 to your Bluetooth 4.0 compatible iOS and Android device via the JB4 Mobile connect kit, or to your Windows laptop with the BMS data cable. Both options allow you to record and analyze vehicle and tuning data, change JB4 performance maps, and update JB4 firmware as we release free newer versions with updates, more powerful maps, and new features under development. Separate JB4 Mobile app purchase also required.

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

 

N54 JB4 Features and Benefits 

  • Power gains of up to 100hp and 100tq to the wheels on a stock vehicle
    • Quick Plug & Play Installation
    • CANbus integration offering unrivaled tuning features and performance
    • Runs as smoothly as stock, this is how your N54 should have come from the factory
    • Compatible with all driving modes
    • Fuel economy unchanged during normal driving
    • Compatible with JB4 Mobile for smartphone logging, tuning changes, and adjustment
    • Ethanol (E85) compatible tuning maps
    • Able to read/delete fault codes
    • Not VIN locked, can be removed without a trace and resold down the road
    • Made in the USA
    • Free USA Shipping
    • 5 year warranty

 

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/335ix
  • 2006-2010 E91 Touring 335i/335ix
  • 2006-2010 E92 Coupe 335i/335ix
  • 2007-2010 E93 Convertible 335i/335ix
  • 2011-2013 E92 335is

BMW 5 Series

  • 2008-2010 E60 Sedan 535i/535ix
  • 2008-2010 E61 Touring 535i/535ix

BMW X Series

  • 2009-2010 BMW E71 X6 xDrive35i

BMW Z Series

  • 2009-2016 BMW Z4 sDrive35i/is

 

JB4 BMW N54 Performance Tuner INSTALL GUIDE

DOWNLOAD JB4 APP


DYNO RESULTS

 Stock, JB4 on a completely stock automatic 135i, on 91 octane

JB4 BMW N54 Performance Tuner 1


JB4 on an automatic 335i with Exhaust and BMS intake, on 93 octane

JB4 BMW N54 Performance Tuner 2


JB4, Exhaust, BMS intake, BMS Flash, on 50% E85 fuel

JB4 BMW N54 Performance Tuner 3


JB4, RB Hybrid Turbo Upgrade, Exhaust, BMS intake, BMS Flash, BMS Methanol Injection, Larger Intercooler, on 50% E85 fuel

JB4 BMW N54 Performance Tuner 4


JB4 Optional Phone Software

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

JB4 BMW N54 Performance Tuner 5


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

 

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