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Jb4 BMW BMW 335 Performance Jb4 135 335 intakes
BMW N54 335i 135i performance parts chips tuners
BMW Performance parts
N54 JB4 BMW Performance Tuner
ADD 100 Horsepower to your Twin Turbo BMW Instantly!
2007-2010 BMW 135 335 535 Z4 X6 and 2011-2013 335is 1M and Z4 N54 Twin Turbo

Jb4 BMW performance tuner chip parts
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!

JB4 Dyno results
JB4 N54 dyno bmw performance parts tuners chips JB4 N54 dyno bmw performance parts tuners chips
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 dyno bmw performance parts tuners chips 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 Optional Phone Software
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
• 2008-2010 BMW X6 xDrive35i

BMW Z Series
• 2009+ BMW Z4 sDrive35i 

Fully compatible with DCT transmissions. 

JB4 N54 bmw performance parts tuners chip


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

Intro Special $479.00 save $50.00
Reg. $529.00
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

Intro Special $599.00 save $50.00
Reg. $649.00
Not available in California. Worldwide Shipping Available.
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Optional BMS Data Cable for diagnostics and updates

$35.00
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JB4 N54 bmw performance parts tuners chips
Optional JB4 Smart Phone Wireless REV3 for diagnostics and updates

$140.00
Worldwide Shipping Available.
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JB4 N54 bmw performance parts tuners chips

By purchasing this item you agree to the Terms and Conditions.

135 335 N55 Jb4 Intake
BMW N55 135i 335i Performance Intake
JB4 Connect Kit
with Bluetooth
Upgraded N54 Fuel Pump N54 BMW Oil
Catch Can
Slip-On E90 E92 Exhaust Tips N54 Replacement PCV valves N54 Fuel Rail
JB3 2.0 6’ Datalogging Cable BMW Fuel Pump upgrade walbro BMW Jack Pad Adapter BMW Paddle Shift Retrofit Rob Beck Replacement PCV Valve bmw methanol water injection
BMS Cowl Filters Metal N54 Chargepipe BMW Wheel Spacer kits Only $95.00 NEW! N54 Billet Thermostat Lid N54 BMW Methanol Injection BMW LED Angel Eyes
Starting at $125.00
BMW Performance Intercooler BMW Paddle Shift Retrofit bmw methanol water injection LED angel eyes
More Information
Download Installation Guides
Download Burger Motorsports / JB4 Logos
BMW / Mini Chassis Codes
Terms & Conditions
Emissions Info
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