JB4 Replacement Enclosure, Case, or Cover Style:Scratched and Blemished Billet JB4 Enclosure and reattach it to the

and reattach it to the vehicle with the supplied extended bolts

Simply remove the 1/8" NPT fitting and add one of our optional port injection lines

2016-2020 F32 / F33 / F36 BMW 440i including Gran Coupe and xDrive

Compatible with all BMS JB4 & Stage 1 tuners

JB4_B58 is CARB approved under Executive Order D-744-4 for many 2016-2018 BMW applications including the 230i

JB4 Replacement Enclosure, Case, or Cover Style:Scratched and Blemished Billet JB4 Enclosure and reattach it to theProtect your JB4 or BMS Stage 1 tuner with the right enclosure for your application. Choose from our premium CNC machined billet aluminum enclosure for maximum durability, our weatherproof plastic enclosure for F and G chassis applications, or the high temperature plastic enclosure designed specifically for E chassis BMW models, all engineered to keep your tuner protected from heat, moisture, dirt, and everyday abuse. JB4 Billet Enclosure: Rugged,