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BMS JB4 N54 Performance Package Stage 1 | Tuner + Intake

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1 Year MFG
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Product Details

DCI Intake

Featuring high quality S&B inverted cone filters the BMS Dual Cone Performance Intake offers the highest possible flow in an attractive and easy to install/remove package. Not to mention the intoxicating sound. This intake completely replaces your restrictive factory airbox assembly. Includes anodized black aluminum couplers and all required hardware. Does NOT require any cutting or drilling. Mounts to factory inlets. Filters available in red or white.

BMS JB4 Tuner

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!





Fitment Guide

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


Installation Information

Installation Time

(approx) 20 Minutes

Difficulty Level

Simple installation for anyone

Installation Guides

How to Install

Product Videos


Details installation of the JB3 for 2007+ BMW 135i or 335i. ** WARNING VIDEO SKIPS STEPS. REVIEW PDF. **

  • N54 JB4 ** WAR...
    Details installation of the JB3 for 2007+ BMW 135i or 335i. *...
  • JB4 BMW 135i 3...
  • JB4 In dash bo...
    This is an optional feature that displays boost on the fuel ga...
  • JB4 Gauge Swee...
    This is very cool option in the JB4 BMW Performance Tuner that...
  • JB4 Add-On Blu...
    Note boost on fuel gauge is also enabled on this run. Result w...

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