E Chassis N55 JB4
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E Chassis N55 JB4

$479.00
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Click here for the latest JB4 firmware, map guide, and details. http://www.n54tech.com/forums/showthread.php?t=13189  Applications:BMW 1 Series• 2011-2013 N55 BMW E82 E88 135i LHDBMW 3 Series• 2011 N55 BMW E90 E91 335i/ix• 2011-2013 E92 E93 335i/ixBMW X Series• 2011-2016 N55 BMW X1   Ready to take it to the next level? How about up to 60hp to the wheels (80hp crank) on a completely stock car or up to 100hp to the wheels (120hp crank) on a fully modified car? The JB4 features a simple plug and play installation harness for easy installation and includes many features not found on any other tune. Including on the fly in dash map switching between factory and various performance maps, optional in dash gauge displays for boost and other critical engine parameters, progressive water/methanol support, ethanol fuels support, built in code reading, and much more. Remember the JB4 does not require any additional modifications or previous stages. Simply install the JB4 as

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