All Upgrade Kits sold by AutoInstruct are for Right Hand Drive (RHD) Vehicles. Select your JB1 as per the model images below.

Upgrades your existing BMS Stage1 to an EA888 JB4 system. The JB4 features CANbus connectivity for more advanced tuning, direct AFR control, advanced safety systems for boost, air/fuel ratio, fuel trims, engine knock, boost mapping by gear for improved traction, integrated water/meth control, and much more.

When ordering, use the drop-down menu to specify your Stage1 hardware version. For the Stage1 hardware version, systems purchased after approx 11/1/16 are REV2 and can be identified by an unused black Molex/2 position connector already incorporated into the harness. Check the installation guide below for additional information on identifying your existing hardware.