Whats A Jb4

JB4 w/BCM and bluetooth connect FS

Whats A Jb4. The jb4 comes out of the box set to map 1 which is 4 psi over stock boost levels. Come see!in this video, i'll go through each of the jb4 maps so that you can choose the correct one once yo.

JB4 w/BCM and bluetooth connect FS
JB4 w/BCM and bluetooth connect FS

Tuned map with a average of 4.5psi over stock. Web the jb4 is a programmable computer that attaches between the ecu and vehicle sensors allowing it to adjust your vehicle’s tuning by tapping into areas of the factory flash. Web i think the jb4 is a great tune for what it was put out there to accomplish. The jb4 comes out of the box set to map 1 which is 4 psi over stock boost levels. Stock with complete pass through i.e. Web #4 i personally like the ecu tune, don't get me wrong the jb4 is a great plug & play tune. Web which jb4 map should you run on your bmw n54/n55? Before tuners were able to unlock the dme on our cars, it was definitely ahead of its time,. Come see!in this video, i'll go through each of the jb4 maps so that you can choose the correct one once yo. Web the jb4 is a plug and play tune available for turbocharged vehicles.

This is the shipped map and is compatible for both 91 and. Come see!in this video, i'll go through each of the jb4 maps so that you can choose the correct one once yo. Before tuners were able to unlock the dme on our cars, it was definitely ahead of its time,. Web which jb4 map should you run on your bmw n54/n55? Web how to use jb4. Web vehicle (s) tundra. Web #4 i personally like the ecu tune, don't get me wrong the jb4 is a great plug & play tune. Web the jb4 is a programmable computer that attaches between the ecu and vehicle sensors allowing it to adjust your vehicle’s tuning by tapping into areas of the factory flash. Web the jb4 includes a billet enclosure and fuel control wires your fuel economy is unchanged during normal conditions compatible with smartphones for tuning and adjustments jb4 is. The device adds good power but less than a full tune. If multiple lights are to be connected to it, a suitable junction box and.