JB4 Replacement and Upgrade Chips Vehicle Selection:N55 PWG 2431 Port Injection Driver Chip Fog lights sold separately on

Fog lights sold separately on LCI bumpers

your intercooler pressure drop is reduced and cooling dramatically improved

Gain 25whp & 30wtq

please see the bottom of the page for the "J-pipe"BMW 1 Series• 2007-2010 N54 BMW 135i• 2011 N54 1M• 2011+ N55 BMW 135iBMW 3 Series• 2007-2010 N54 BMW 335i/335ix• 2011-2013 N54 E92 335is• 2011 N55 BMW 335i/335ix

Good for over 1000whp the BMS 7

JB4 Replacement and Upgrade Chips Vehicle Selection:N55 PWG 2431 Port Injection Driver Chip Fog lights sold separately onDescription JB4 Replacement and Upgrade Chips The replaceable 2580 master chip controls the communications between the JB4 and your BMS data cable or JB4 Smart Phone Wireless Connect Kit as well as the model specific firmware. If unable to connect to the JB4 try replacing this first as often it's the culprit. Be sure to specify which firmware you need in the drop down for the chip to work properly with your model. We also have 2431 and 24K22 port