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 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
