N20 JB4

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

Instant power with easy Plug & Play installation

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.

Click here for the latest firmware, settings, and directions for the N20 JB4.

N20 JB4 Applications:

BMW 2 Series:
• 2014+ 2 Series F22/F23 220i / 228i N20 & N26

BMW 3 Series:
• 2012+ 3 Series F30 320i / 328i 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

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