This thread will be the single source of information for everything bmw b48/b58 jb4 related!
Download Jb4 Bmw
Background. The jb4 will detect the different during installation and map accordingly. Note both engines use the same hardware.
Burger Tuning Bms N55 Jb4 Stage 2 For The 135 And 335 E Chassis from cdn11.bigcommerce.com
The unit is called a jb4 which is the name of our most advanced circuit board with canbus connection (vehicle data network). The jb4 will detect the different during installation and map accordingly. Jb4 has been the gold standard in plug and play turbocharged performance chip tuning for over a decade.
Jb1 vs jb4 comparison map 6:
Bmw n54 jb4 pnp setup guide. Jb4 has been the gold standard in plug and play turbocharged performance chip tuning for over a decade. An intake will let your car breathe easier, making. Note both engines use the same hardware.
