JB4 N20 / N26 Stage 1 / Stage 2

JB4 N20 / N26 Stage 1 / Stage 2

Product Information

Fits All N20 and N26 Motors F22/F23 228i, F30 320, 328, F32/F33 420, 428, F10 520i, 528, X1, X3 and 2013 Z4 28i

This plug and play tuner attaches to four easy to access sensors in the engine bay and works with your factory DME tuning to remap your boost, timing, and fueling for optimal performance and reduced turbo lag. Power gains on an otherwise stock car are up to 30hp and 40tq to the wheels. Installation is very discrete and it quickly removes without a trace when needed. Fuel economy during normal driving is unchanged. During closed course GPS VBOX testing our 2012 F30 328i 0-60 times improved from 5.4 seconds to an incredible 4.9 seconds!





N20 / N26 Stage 1 Tuning Applications:

BMW 2 Series:
• 2014+ 2 Series F22/F23 228i N20 & N26

BMW 3 Series:
• 2012+ 3 Series F30 328i N20 & N26
• 2013+ 3 Series F30 320i N20 & N26

BMW 4 Series:
• 2014+ 4 Series F32/F33 420/428 N20 & N26

BMW 5 Series:
• 2011+ 5 Series F10 520/528 N20 & N26


The N20 JB4 expands upon the popular N20 Stage1 tune with CANbus functionality. This allows for multiple maps which can be changed in dash, built in diagnostics including code reading/deleting, ethanol support, and much more to come with free software updates.
N20 JB4 Applications:

BMW 2 Series:
• 2014+ 2 Series F22/F23 228i N20 & N26

BMW 3 Series:
• 2012+ 3 Series F30 328i N20 & N26
• 2013+ 3 Series F30 320i N20 & N26

BMW 4 Series:
• 2014+ 4 Series F32/F33 420/428 N20 & N26

BMW 5 Series:
• 2011+ 5 Series F10 520/528 N20 & N26

Product Options:

Stage2 Addon
USB Cable
Vehicle

Product Code: N20G1

In Stock: 19

Quantity: Add to Basket

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