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BMS N54 JB4 Performance Combo Package

BMS N54 JB4 Intake+Tune Combo Package for N54 2007-12 BMW 135i/335i/535i [E82/E90/E92/E93/E60]

Get all your performance products easier, cheaper and faster with a BMS performance combo kit!!!


Sku # : bms-jb3-dual-cone-er
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Product Detail

The factory 135i, 335i, 535i, and Z4 35i ECU comes detuned from the factory and the full potential of the N54 twin turbo engine is inaccessible. That has all changed with the introduction of the BMS JB4 processor.  The JB4 is the latest generation of the Juice Box Performance Tuner and it features completely new microcontroller based hardware, numerous input/output channels, and integrated safety features. Also, the 1.3 version improvements include crank position for full 4D engine mapping, air intake temperature for on the fly thermal loading adjustments, direct solenoid control for precise spike free boost control, throttle input for factory like drivability, and fuel pressure control for diagnostic invisibility. Basically, the JB4 provides safe, reliable increase in horsepower and torque. With over 15 unique maps to choose from (stock maps to race maps), this is the only performance software you will ever need for your N54 equipped BMW.  Moreover, map changes can be made while seated in the driving seat!  Whether your vehicle has an intake or is fully modified, the JB4 will adjust to the modification and make the most out of it. The JB4 is available in either the pinout ($349) or plug and play version ($579) for easy install.  All this and more makes the JB4 the #1 software choice for the fastest 1 series and 3 series in the world. When it comes to choosing the best performance software for your 135i, 335i, 535i, Z4 35i…only settle for the best : BMS JB4.


  • Gain over 80whp and 80wtq on pump gas; 180whp and 155wtq with race gas and bolt-ons
  • Switch between 10 maps for every occasion; 15 maps with a modified JB4
  • Change between maps right from the driver's seat
  • Adapts to modifications (downpipes, intercooler, intakes, 100 octane, etc.)
  • Invisible to BMW tuning detection software
  • Installs within 30 minutes
  • #1 software choice for the world's fastest 1 Series and 3 Series


  • 2008+ 135i
  • 2007+ 335i/xi
  • 2009+ Z4 35i
  • 2008+ 535i
  • 2008+ X6

2.0 Datalogging Cable (optional)
This cable allows the user to data log and change maps on a laptop via USB connection. This cable can also be used to update your JB4 with new updates and firmware. To use this cable you must have the 2.0 firmware loaded on your G3 control box.

Click here for the latest 2.0 firmware, interface software, and directions.

Click here to see the fastest 335i 1/4 mile time using the JB4

Click here to see the fastest 135i 1/4 mile time using the JB4

BMS Dual Cone Intake kit
Looking for that perfect intake with an even more perfect trade off between aesthetics and performance, form and function? The BMS Dual Cone Intake kit provides just that; This Dual Cone Intake Kit feature S&B inverted cone filters with aluminum couplers anodized to match your engine bay.

BMS Dual Cone Intake Kits use S&B inverted cone filters due to their high quality build, standards, and materials used. S&B goes through the highest of standards that most other performance intake companies are scared of, ISO 5011. S&B inverted cone filters use an 8 ply filter for maximum protection for the engine while still maintaining the highest of performance demands.

The couplers are sized to match perfectly to the end of the velocity stack to the inlet of the turbo, this design results in smoother air flow with less  pressure drops then other system on the market.


Applications Guide
Make Model Chassis year  
BMW 1 series 135i E82 08-10
BMW 3 series 335i E90/91/92/93 06-10
BMW 5 series 535i E60 08-10

JB4 USB 2.0 6’ Datalogging Cable

This proprietary USB cable connects the JB4 G3 control box to your laptop, for use with 2.0s new datalogging, tuning, and map loading software. Cable may be left in engine bay and routed in the window or door when needed for a simple install. Alternatively it may also be routed behind the ECU in to the glove box for a clean install and on the fly access. JB4 must be equipped with a G3 box. Please do not attempt to use a standard RS232/USB cable with the JB4 as it will not work and may damage the processor.

This cable is only compatible with JB4 version 2.0. If you have an older JB4 version you will first need to update your firmware using either the chip upgrade or board upgrade below. The chip upgrade is for those who already have a G3 board and the board upgrade is for all others (board does not have a DB9 connector on the end). The G3 board includes 2.0 firmware preloaded.

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BMS N54 JB4 Intake+Tune Combo Package for N54 2007-12 BMW 135i/335i/535i [E82/E90/E92/E93/E60]
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